Middle English phonology

Middle English phonology is necessarily somewhat speculative, since it is preserved only as a written language. Nevertheless, there is a very large text corpus of Middle English. The dialects of Middle English vary greatly over both time and place, and in contrast with Old English and Modern English, spelling was usually phonetic rather than conventional. Words were generally spelled according to how they sounded to the person writing a text, rather than according to a formalised system that might not accurately represent the way the writer's dialect was pronounced, as Modern English is today.

The Middle English speech of the city of London in the late 14th century (essentially, the speech of Geoffrey Chaucer) is used as the standard Middle English dialect in teaching and when specifying "the" grammar or phonology of Middle English. It is this form that is described below, unless otherwise indicated.

In the rest of the article, abbreviations are used as follows:

Sound inventory

The surface sounds of Chaucerian Middle English (whether allophones or phonemes) are shown in the tables below.


Labial Dental Alveolar Postalveolar Palatal Velar Glottal
Nasal m n (ŋ)
Stop p  b t  d    k  ɡ
Fricative f  v θ  ð s  z ʃ (ç) (x) h
Approximant r j w
Lateral l

1. ^ The exact nature of Middle English r is not known. It may have been an alveolar approximant [ɹ], as in most Modern English accents, an alveolar tap [ɾ], or an alveolar trill [r]. In this article we will use the symbol r indiscriminately to stand for this phoneme.

Consonant allophones

The sounds marked in parentheses in the table above are allophones:

Voiced fricatives

In Old English, [v], [ð], [z] were allophones of /f/, /θ/, /s/, respectively, occurring between vowels or voiced consonants. This led to many alternations e.g. hūs ('house') [huːs] vs. hūses ('of a house') [huːzes]; wīf ('woman') [wiːf] vs. wīfes ('of a woman') [wiːves]. In Middle English, these voiced allophones become phonemes, and are solidly established in Modern English as separate phonemes. The sources of the new phonemic distinctions are:

  1. Borrowings from foreign languages, especially Latin, Ancient Greek, and Old French, which introduced sounds in positions they formerly did not occur; e.g. modern fine vs. vine (both borrowings from French); ether (from Greek) vs. either (native).
  2. Dialect mixture between Old English dialects (e.g. Kentish) that voiced initial fricatives, and the more standard dialects that didn't do this. Compare fat vs. vat (both with f- in standard Old English), and fox vs. vixen (Old English fox vs. fyxen, from Proto-Germanic *fuhsa- vs. *fuhsin-).
  3. Analogical changes that leveled former alternations; e.g. grass, grasses, grassy and glass, glasses, glassy with /s/ replacing original /z/ between vowels (but to graze and to glaze, still with /z/ and originally derived from grass and glass, respectively). Contrast house vs. houses, to house, still with /z/ in both cases; wife vs. wives; greasy, still with a /z/ in some dialects (e.g. that of Boston); and staff, with two plurals, analogical staffs and inherited staves.
  4. Loss of final /e/, resulting in voiced fricatives at the end of a word where formerly only voiceless fricatives occurred. This is the source of the modern distinctions house vs. to house, teeth vs. to teethe, half vs. to halve.
  5. Reduction of double consonants to single consonants. This explains the contrast between kiss, to kiss (Old English coss, cyssan with double s) vs. house, to house with /z/ in the verb (Old English hūs, hūsian with single s).
  6. Sandhi effects that introduced voiced fricatives at the beginning and end of certain unstressed function words. Contrast this with /s/ vs. is with /z/; off with /f/ vs. of with /v/, originally the same word in both cases; with with /ð/ in some dialects vs. pith with /θ/; this with initial /ð/ vs. thistle with initial /θ/.

The status of these sources in Chaucer's Middle English is as follows:

The strongest distinction was between /f/ and /v/ due to the large number of borrowings from Old French. This is also the only distinction consistently indicated in spelling, as f and v respectively. /z/ sometimes appears as z (especially in borrowings from Greek), and sometimes as s. Both /ð/ and /θ/ are spelled th.



Front Central Back
unrounded rounded unrounded rounded
Close i iː (y yː) u uː
Close-mid e eː (ø øː) ə o oː
Open-mid ɛː (œː) ɔː
Open a

Middle English has a distinction between close-mid and open-mid long vowels, but no corresponding distinction in short vowels. Although the behavior of open syllable lengthening seems to indicate that the short vowels were open-mid in quality, according to Lass they were close-mid. (There is some direct documentary evidence of this, for example in early texts where open-mid /ɛː/ is spelled ea while both /e/ and /eː/ are spelled eo.) At some point later in the history of English, these short vowels were in fact lowered to become open-mid vowels, as shown by their values in Modern English.

The front rounded vowels /y yː ø øː œː/ existed in the southwest dialects of Middle English, which developed from the standard Late West Saxon dialect of Old English, but not in the standard Middle English dialect of London. The close vowels /y/ and /yː/ are direct descendants of the corresponding Old English vowels, and were indicated as u. (In the standard dialect of Middle English, these sounds became /i/ and /iː/; in Kentish, they became /e/ and /eː/.) /yː/ may have existed in learned speech in loanwords from Old French (also spelled u) but, as it merged with /iu/ (becoming /juː/ in Modern English) rather than /iː/, it can be assumed that /iu/ was the vernacular pronunciation used in French-derived words.

The mid front rounded vowels /ø øː œː/ likewise existed earlier on in the southwest dialects, but not in the standard Middle English dialect of London. They were indicated as o. Sometime in the 13th century they became unrounded and merged with the normal front mid vowels. They derived from the Old English diphthongs /eo̯/ and /eːo̯/. There is no direct evidence that were was ever a distinction between open-mid /œː/ and close-mid /øː/, but it can be assumed based on the corresponding distinction in the unrounded mid front vowels. /øː/ would have derived directly from Old English /eːo̯/, while /œː/ derived from the open syllable lengthening of short /ø/, from the Old English short diphthong /eo̯/.

The quality of the short open vowel is unclear. Early in Middle English, it presumably was central /ɡ/, since it represented the coalescence of the Old English vowels /æ/ and /ɑ/. During the Early Modern English period, it was fronted (in most environments) to [æ] in southern England, and this or even closer values are found in the contemporary speech of southern England, North America, and the southern hemisphere: it remains [a] in much of Northern England, Scotland, and the Caribbean.[1] Meanwhile, the long open vowel, which developed later due to open syllable lengthening, was [aː].[2] At the time of Middle English breaking, the short open vowel was not a front vowel, since a /u/ rather than /i/ was introduced after it. It was gradually fronted, to successively [æː], [ɛː] and [eː], in the sixteenth and seventeenth centuries.[3]


Diphthongs Second element /u̯/ Second element /i̯/
Back Front Back Front
High /iu̯/ /ui̯/
Close-mid early /ou̯/ > /ɔu̯/; later /ou̯/ > /uː/1 /eu̯/ > /iu̯/ /oi̯/ > /ui̯/ /ei̯/ > /iː/
Open-mid /ɔu̯/ /ɛu̯/ /ɔi̯/ /ɛi̯/ > /ai̯/
Low /au̯/ /ai̯/

1The Old English sequences /oːw/, /oːɣ/ produced late Middle English /ɔu/, apparently passing through early Middle English /ou/; e.g. OE grōwan ('grow') > LME /ɡrɔue/. However, early Middle English /ouh/ due to Middle English breaking produced late Middle English /uːh/; e.g. OE tōh (tough') > EME /touh/ > LME /tuːh/. Apparently, early /ou/ became /ɔu/ before the occurrence of Middle English breaking, which generated new occurrences of /ou/ that later became /uː/.

All of the above diphthongs came about within the Middle English era. Old English had a number of diphthongs, but all of them were reduced to monophthongs in the transition to Middle English. Middle English diphthongs came about due to various processes and at various time periods. Diphthongs tended to change their quality over time. The changes shown above mostly occurred between early and late Middle English. Early Middle English had a distinction between open-mid and close-mid diphthongs, whereas all of the close-mid diphthongs had been eliminated by late Middle English times.

The processes that produced the above diphthongs are:

Phonological processes

The following sections describe the major phonological processes occurring between written Late West Saxon (the standard written form of Old English) and the end of Middle English, conventionally dated to around 1500 AD.

Homorganic lengthening

Late in Old English, vowels were lengthened before certain clusters: /nd/, /ld/, /rd/, /mb/, /ŋɡ/. Later on, the vowels in many of these words were shortened again, giving the appearance that no lengthening happened; but evidence from the Ormulum indicates otherwise. For details see Phonological history of Old English: Vowel lengthening.

Stressed vowel changes

Late West Saxon (the standard written form of Old English) included matched pairs of short and long vowels, including seven pairs of pure vowels (monophthongs), /ɑ(ː)/ /æ(ː)/ /e(ː)/ /i(ː)/ /o(ː)/ /u(ː)/ /y(ː)/, and two pairs of height-harmonic diphthongs, /æ(ː)ɑ̯/ and /e(ː)o̯/. Two additional pairs of diphthongs, /i(ː)u̯/ and /i(ː)y̑/, existed in earlier Old English but had been reduced to /e(ː)o̯/ and /y(ː)/, respectively, by late Old English times.

In the transition to Middle English, this system underwent major changes, eliminating the diphthongs and leaving only one pair of low vowels, but with a vowel distinction appearing in the long mid vowels:

This left an asymmetric system consisting of five short vowels /a/ /e/ /i/ /o/ /u/ and six long vowels /ɛː/ /eː/ /iː/ /ɔː/ /oː/ /uː/, with additional front-rounded vowels /ø(ː)/ /y(ː)/ in the southwest area. Some symmetry was restored by open-syllable lengthening, which restored a long low vowel /aː/.

Reduction and loss of unstressed vowels

Unstressed vowels were gradually confused in late Old English, although the spelling lagged behind, due to the existence of a standardized spelling system. By early Middle English, all unstressed vowels were spelt e, probably representing /ə/. Also in late Old English, final unstressed /m/ became /n/; during the Middle English period, this final /n/ was dropped when it was part of an inflectional syllable (but remained when part of the root, e.g. seven, or in derivational endings, e.g. written). Around Chaucer's time, final /ə/ was dropped; judging from inflectional evidence, this occurred first when the following word began with a vowel. A century or so later, unstressed /ə/ also dropped in the plural and genitive ending -es (spelled -s in Modern English).

These changes steadily effaced most inflectional endings, e.g.:

In the last two examples, the stressed vowel was affected by open-syllable lengthening.

Vocalization of [ɣ] and development of new diphthongs

The sound [ɣ], which had been a post-vocalic allophone of /ɡ/, became vocalized to [u]. This occurred around the year 1200.[4]

A new set of diphthongs developed from combinations of vowel+[u] (either from [ɣ] or from pre-existing /w/) or vowel+[i] (from pre-existing /j/), and also due to borrowing from French – see Diphthongs above.


During the 12th or 13th centuries, a vowel /i/ was inserted between a front vowel and a following /h/ (pronounced [ç] in this context), and a vowel /u/ was inserted between a back vowel and a following /h/ (pronounced [x] in this context). Short /ɡ/ was treated as a back vowel in this process (the long equivalent did not occur in the relevant context). See H-loss, below.

Open-syllable lengthening

Around the 13th century, short vowels were lengthened in an open syllable (i.e. when followed by a single consonant that in turn is followed by another vowel). In addition, non-low vowels were lowered: /i/ > /eː/, /e/ > /ɛː/, /u/ > /oː/, /o/ > /ɔː/. This accounts, for example, for the vowel difference between staff and the alternative plural staves (Middle English staf vs. stāves, with open-syllable lengthening in the latter word). This process was restricted in the following ways:

  1. It did not occur when two or more syllables followed, due to the opposing process of trisyllabic laxing.
  2. It only occasionally applied to the high vowels /i/ and /u/, e.g. OE wudu > ME /woːd/ > wood; OE wicu > ME /weːk/ > week. Most instances of /i/ and /u/ remained as such, e.g. OE hnutu > NE nut, OE riden > NE ridden.

The effects of open-syllable lengthening and trisyllabic laxing often led to differences in the stem vowel between singular and plural/genitive. Generally these differences were regularized by analogy in one direction or another, but not in a consistent way:

Trisyllabic laxing

Main article: Trisyllabic laxing

In late Old English, vowels were shortened before clusters of two consonants when two or more syllables followed. Later in Middle English this process was expanded, and applied to all vowels when two or more syllables followed. This led to the Modern English variations between divine vs. divinity, school vs. scholarly, grateful vs. gratitude, etc. In some cases, later changes have led to apparently anomalous results, e.g. south vs. southern with only two syllables (but /suːðernə/ at the time that trisyllabic laxing applied). This change is still fairly productive in Modern English.

Pre-cluster shortening

In late Old English, vowels were shortened before clusters of three consonants:

As shown by ghastly, this shortening occurred before the raising of OE /ɑː/ to EME /ɔː/, which occurred in the transition to Middle English.

Later in Middle English, vowels were shortened before clusters of two consonants, except before /st/ and in some cases where homorganic lengthening applied. Examples:

Reduction of double consonants

Double (geminated) consonants were reduced to single ones. This took place after open syllable lengthening; the syllable before a geminate was a closed syllable, hence vowels were not lengthened before (originally) doubled consonants. The loss of gemination may have been stimulated its small functional load – by this time there were few minimal pairs of words distinguished solely by the single vs. double consonant contrast.[4]


The phoneme /h/, when it occurred in the syllable coda, is believed to have had two allophones: the voiceless palatal fricative [ç], occurring after front vowels, and the voiceless velar fricative [x], occurring after back vowels. The usual spelling in both cases was gh, which is retained today in words like night and taught.

These sounds were lost during the later Middle English and Early Modern English eras. The timing of this process was dependent on dialect; the fricatives were still pronounced in some educated speech in the 16th century, but they had disappeared by the late 17th.[5] Loss of the fricatives was accompanied by some compensatory lengthening or diphthongization of preceding vowels. In some cases, the velar fricative [x] developed into /f/; as such the preceding vowel was shortened, and the [u] of a diphthong was absorbed. However, the palatal fricative [ç] in no instances became /f/.

Some possible developments are illustrated below:

This variable outcome, along with other variable changes and the ambiguity of the Middle English spelling <ou> (either /ou/ or /uː/ in Early Middle English) accounts for the numerous pronunciations of Modern English words in -ough- (e.g. though, through, bough, rough, trough, thought, with -ough- pronounced /ou/, /uː/, /au/, /ʌf/, /ɒf/, /ɔː/ respectively).

/h/ spelled -gh- is realized as [x] even today in some traditional dialects of northern England and more famously Scots. Some accents of northern England lack the /x/, instead exhibiting special vowel developments in some such words; for example, night as /niːt/ (neat) and in the dialectal words owt and nowt (from aught and naught, pronounced like out and nout, meaning 'anything' and 'nothing'). Also, in northern England, a distinction is often preserved between the vowel /ɛɪ/ in words like weigh, weight and eight, and the /eː/ of wait and late (the northern realization of the vowel resulting from the pane-pain merger).

The modern phoneme /x/ most commonly appears today in the typically Scottish word loch and in names such as Buchan. Here the /x/ is usual in Scotland, although the alternative /k/ is becoming more common among some younger speakers.[6] The same is true in Wales, in names such as Loughor. The /x/ in these cases may either survive from Middle English or have been borrowed from the local Celtic languages. English speakers from elsewhere may replace the /x/ in such cases with /k/, but some use /x/ in imitation of the local pronunciations (as they may in certain foreign words such as Bach, Kharkiv, Sakhalin, chutzpah, etc.).[5]

Great Vowel Shift

Main article: Great Vowel Shift

The Great Vowel Shift was a fundamental change in late Middle English (post-Chaucer) and Early Modern English that affected the pronunciation of all of the long vowels. The high vowels /iː/ and /uː/ were diphthongized, ultimately producing the modern diphthongs /aɪ/ and /aʊ/, and all other vowels were raised.

Diphthong loss

Although not normally considered a part of the Great Vowel Shift, during the same time period most of the pre-existing Middle English diphthongs were monophthongized:

The remaining diphthongs developed as follows:

Vowel equivalents from Old English to Modern English

For a detailed description of the changes between Old English and Middle/Modern English, see the article on the phonological history of English. A summary of the main vowel changes is presented below. The spelling of Modern English largely reflects Middle English pronunciation.


This table presents the general developments. Many exceptional outcomes occurred in particular environments, e.g. vowels were often lengthened in late Old English before /ld/, /nd/, /mb/; vowels changed in complex ways before /r/, throughout the history of English; etc. Vowels were diphthongized in Middle English before /h/, and new diphthongs arose in Middle English by the combination of vowels with Old English w, g /ɣ/ > /w/, and ġ /j/; for more information, see the section below. The only conditional development considered in detail below is Middle English open-syllable lengthening. In the column on modern spelling, CV means a sequence of a single consonant followed by a vowel.

NOTE: In this table, abbreviations are used as follows:

Late Old English (Anglian), c. 1000 Middle English pronunciation, c. 1400 Modern English spelling, c. 1500 Early Modern English pronunciation, c. 1600 Modern English pronunciation, c. 2000 Source Example
a; æ; ea; ā+CC; often ǣ+CC,ēa+CC; occ. ē+CC (WS ǣ+CC) /a/ a /a/ /æ/ OE a OE mann > man; OE lamb > lamb; OE sang > sang; OE sacc > sack; OE assa > ass (donkey)
OE æ OE fæþm embrace > fathom; OE sæt > sat; OE æt > at; OE mæsse > mass (at church)
OE ea OE weax > wax; OE healf > half /hæf/ (GA)
OE +CC OE āscian > ask /æsk/ (GA); OE fǣtt > fat; OE lǣstan > to last /læst/ (GA) ; OE blēddre (WS blǣddre) > bladder; OE brēmbel (WS brǣmbel) > bramble
(w+, not +g,ck,ng,nk) GA /ɑ/, RP /ɒ/ OE a OE swan > swan; OE wasċan > to wash; OE wann dark > wan
OE æ OE swæþ > swath; OE wæsp > wasp
OE ea OE wealwian > to wallow; OE swealwe > swallow (bird)
(+r) /ar/ > GA /ɑr/, RP /ɑː/ OE heard > hard; OE ærc (WS earc) > ark
(w+ and +r) /ɔr/ > GA /ɔr/, RP /ɔː/ OE ea OE swearm > swarm; OE sweart > old poetic swart >! swarthy; OE weardian > to ward; OE wearm > warm; OE wearnian > to warn
(+lC,l#) /ɔː/ OE smæl > small; OE all (WS eall) > all; OE walcian (WS wealcian) to roll > to walk
(+lm) GA /ɑ/, RP /ɑː/ OE ælmesse > alms; Latin palma > OE palm > palm
(RP, often +f,s,th) /ɑː/ OE glæs > glass; OE græs > grass; OE pæþ > path; OE æfter > after; OE āscian /ɑːsk/ > to ask; OE lǣstan /lɑːst/ > to last
(leng.) /aː/ [æː] aCV /ɛː/ /eː/ > /ei/ OE a OE nama > name; OE nacod > naked; OE bacan > to bake
OE æ OE æcer > acre; OE hwæl > whale; OE hræfn > raven
(+r) /eːr/ > GA /ɛr/, RP /ɛə/ OE a OE caru > care; OE faran > to fare; OE starian > to stare
e; eo; occ. y; ē+CC; ēo+CC; occ. ǣ+CC,ēa+CC /e/ e /ɛ/ /ɛ/ OE e OE helpan > to help; OE elh (WS eolh) > elk; OE tellan > to tell; OE betera > better; OE streċċan > to stretch
OE eo OE seofon > seven
OE y OE myriġ > merry; OE byrġan > to bury /bɛri/; OE lyft- weak > left (hand); OE cnyll > knell
OE +CC OE cēpte > kept; OE mētte > met; OE bēcnan (WS bīecnan) > to beckon; OE clǣnsian > to cleanse; OE flǣsċ > flesh; OE lǣssa > less; OE frēond > friend /frɛnd/; OE þēofþ (WS þīefþ) > theft; OE hēold > held
(+r) ar /ar/ GA /ɑr/, RP /ɑː/ OE heorte > heart; OE bercan (WS beorcan) > to bark; OE teoru (WS teru) > tar; OE steorra > star
(w+ and +r) /ɔr/ > GA /ɔr/, RP /ɔː/ AN werra > war; AN werbler > to warble
(occ. +r) er /ɛr/ /ər/ > GA /ər/, RP /ɜː/ OE e OE sterne (WS stierne, styrne) > stern
OE eo OE eorl > earl; OE eorþe > earth; OE liornian, leornian > to learn
OE +CC OE hērde (WS hīerde) > heard
(leng.) /ɛː/ ea,eCV /eː/ /iː/ OE specan > to speak; OE mete > meat; OE beofor > beaver; OE meotan (WS metan) > to mete /miːt/; OE eotan (WS etan) > to eat; OE meodu (WS medu) > mead; OE yfel > evil
(+r) /iːr/ > GA /ɪr/, RP /ɪə/ OE spere > spear; OE mere > mere (lake)
(occ.) /ei/ OE brecan > to break /breik/
(occ. +r) /eːr/ > GA /ɛr/, RP /ɛə/ OE beoran (WS beran) > to bear; OE pere, peru > pear; OE swerian > to swear; OE wer man > were-
(often +th,d,t,v) /ɛ/ OE leþer > leather /lɛðɚ/; OE stede > stead; OE weder > weather; OE heofon > heaven; OE hefiġ > heavy
i; y; ī+CC,ȳ+CC; occ. ēoc,ēc; occ. ī+CV,ȳ+CV /i/ i /ɪ/ /ɪ/ OE i OE writen > written; OE sittan > to sit; OE fisċ > fish; OE lifer > liver
OE y OE bryċġ > bridge; OE cyssan > to kiss; OE dyde > did; OE synn > sin; OE gyldan > to gild; OE bysiġ > busy /bɪzi/
OE +CC OE wīsdōm > wisdom; OE fīftiġ > fifty; OE wȳsċan > to wish; OE cȳþþ(u) > kith; OE fȳst > fist
OE ȳ+CV,ī+CV OE ċīcen > chicken; OE lȳtel > little
OE ēoc,ēc OE sēoc > sick; OE wēoce > wick; OE ēc + nama > ME eke-name >! nickname
(+r) /ər/ > GA /ər/, RP /ɜː/ OE gyrdan > to gird; OE fyrst > first; OE styrian > to stir
(leng. occ.) /eː/ ee /iː/ /iː/ OE wicu > week; OE pilian > to peel; OE bitela > beetle
o; ō+CC /o/ o /ɔ/ GA /ɑ/, RP /ɒ/ OE o OE god > god; OE beġeondan > beyond
OE +CC OE gōdspell > gospel; OE fōddor > fodder; OE fōstrian > to foster
(GA, +f,s,th,g,ng) /ɔː/ OE moþþe > moth; OE cros > cross; OE frost > frost; OE of > off; OE oft > oft; OE sōfte > soft
(+r) /ɔr/ > GA /ɔr/, RP /ɔː/ OE corn > corn; OE storc > storc; OE storm > storm
(leng.) /ɔː/ oa,oCV /oː/ GA /ou/, RP /əu/ OE fola > foal; OE nosu > nose; OE ofer > over
(+r) /oːr/ > GA /ɔr/, RP /ɔː/ OE borian > to bore; OE fore > fore; OE bord > board
u; occ. y; ū+CC; w+ e,eo,o,y +r /u/ u,o /ʊ/ /ʌ/ OE u OE bucc > buck /bʌk/; OE lufian > to love /lʌv/; OE uppe > up; OE on bufan > above
OE y OE myċel > ME muchel >! much; OE blysċan > to blush; OE cyċġel > cudgel; OE clyċċan > to clutch; OE sċytel > shuttle
OE +CC OE dūst > dust; OE tūsc > tusk; OE rūst > rust
(b,f,p+ and +l,sh) /ʊ/ OE full > full /fʊl/; OE bula > bull; OE bysċ > bush
(+r) /ər/ > GA /ər/, RP /ɜː/ OE u OE spurnan > to spurn
OE y OE ċyriċe > church; OE byrþen > burden; OE hyrdel > hurdle
OE w+,+r OE word > word; OE werc (WS weorc) > work; OE werold > world; OE wyrm > worm; OE wersa (WS wiersa) > worse; OE weorþ > worth
(leng. occ.) /oː/ oo /uː/ /uː/ OE (brȳd)-guma > ME (bride)-gome >! (bride)-groom
(+r) /uːr/ > /oːr/ > GA /ɔr/, RP /ɔː/ OE duru > door
(often +th,d,t) /ʌ/ ?
(occ. +th,d,t) /ʊ/ OE wudu > wood /wʊd/
ā; often a+ld,mb /ɔː/ oa,oCV /oː/ GA /ou/, RP /əu/ OE ā OE āc > oak; OE hāl > whole
OE +ld,mb OE camb > comb; OE ald (WS eald) > old; OE haldan (WS healdan) > to hold
(+r) /oːr/ > GA /ɔr/, RP /ɔː/ OE ār > oar, ore; OE māra > more; OE bār > boar; OE sār > sore
ǣ; ēa /ɛː/ ea,eCV /eː/ /iː/ OE ǣ OE hǣlan > to heal /hiːl/; OE hǣtu > heat; OE hwǣte > wheat
OE ēa OE bēatan > to beat /biːt/; OE lēaf > leaf; OE ċēap > cheap
(+r) /iːr/ > GA /ɪr/, RP /ɪə/ OE rǣran > to rear ; OE ēare > ear; OE sēar > sere; OE sēarian > to sear
(occ.) /ei/ OE grēat > great /greit/
(occ. +r) /eːr/ > GA /ɛr/, RP /ɛə/ OE ǣr > ere (before)
(often +th,d,t) /ɛ/ OE ǣ OE brǣþ odor > breath; OE swǣtan > to sweat; OE -sprǣdan > to spread
OE ēa OE dēad > dead /dɛd/; OE dēaþ death; OE þrēat menace > threat; OE rēad > red; OE dēaf > deaf
ē; ēo; often e+ld /eː/ ee,ie(nd/ld) /iː/ /iː/ OE ē OE fēdan > to feed; OE grēdiġ (WS grǣdiġ) > greedy; OE > me; OE fēt > feet; OE dēd (WS dǣd) > deed; OE nēdl (WS nǣdl) > needle
OE ēo OE dēop deep; OE fēond > fiend; OE betwēonum > between; OE bēon > to be
OE +ld OE feld > field; OE ġeldan (WS ġieldan) to pay > to yield
(often +r) /ɛːr/ ear,erV /eːr/ /iːr/ > GA /ɪr/, RP /ɪə/ OE ē OE hēr > here; OE hēran (WS hīeran) > to hear; OE fēr (WS fǣr) > fear
OE ēo OE dēore (WS dīere) > dear
(occ.) /eːr/ > GA /ɛr/, RP /ɛə/ OE þēr (WS þǣr) > there; OE hwēr (WS hwǣr) > where
(occ. +r) /eːr/ eer /iːr/ /iːr/ > GA /ɪr/, RP /ɪə/ OE bēor > beer; OE dēor > deer; OE stēran (WS stīeran) > to steer; OE bēr (WS bǣr) > bier
ī; ȳ; often i+ld,mb,nd; often y+ld,mb,nd /iː/ i,iCV /əi/ /ai/ OE ī OE rīdan > to ride; OE tīma > time; OE hwīt > white; OE mīn > mine (of me)
OE ȳ OE mȳs > mice; OE brȳd > bride; OE hȳdan > to hide
OE +ld,mb,nd OE findan > to find; OE ċild > child; OE climban > to climb; OE mynd > mind
(+r) /air/ > GA /air/, RP /aiə/ OE fȳr > fire; OE hȳrian > to hire; OE wīr > wire
ō; occ. ēo /oː/ oo /u:/ /u:/ OE ō OE mōna > moon; OE sōna > soon; OE fōd > food /fuːd/; OE dōn > to do
OE ēo OE cēosan > to choose; OE sċēotan > to shoot
(+r) /uːr/ > /oːr/ > GA /ɔr/, RP /ɔː/ OE flōr > floor; OE mōr > moor
(occ. +th,d,v) /ʌ/ OE blōd > blood /blʌd/; OE mōdor > mother /mʌðə(r)/; OE glōf > glove /glʌv/
(often +th,d,t,k) /ʊ/ OE gōd > good /gʊd/; OE bōc > book /bʊk/; OE lōcian > to look /lʊk/; OE fōt > foot /fʊt/
ū; often u+nd /uː/ ou /əu/ /au/ OE ū OE mūs > mouse; OE ūt, ūte > out; OE hlūd > loud
OE +nd OE ġefunden > found; OE hund > hound; OE ġesund > sound (safe)
(+r) /aur/ > GA /aur/, RP /auə/ OE OE ūre > our; OE sċūr > shower; OE sūr > sour
(occ. +t) /ʌ/ OE būtan > but; OE strūtian > ME strouten > to strut

The Modern English vowel usually spelled au (British /ɔː/, American /ɔ/) does not appear in the above chart. Its main source is late Middle English /au/ < early /au/ and /ɔu/, which come from various sources: Old English aw and ag (claw < clawu, law < lagu); diphthongization before /h/ (sought < sōhte, taught < tāhte, daughter < dohtor); borrowings from Latin and French (fawn < Old French faune, Paul < Latin Paulus). Other sources are Early Modern English lengthening of /ɡ/ before /l/ (salt, all); occasional shortening and later re-lengthening of Middle English /ɔː/ (broad < /brɔːd/ < brād); and in American English, lengthening of short o before unvoiced fricatives and voiced velars (dog, long, off, cross, moth, all with /ɔ/ in American English, at least in dialects that still maintain the difference between /ɡ/ and /ɔ/).

As mentioned above, Modern English is derived from the Middle English of London, which is derived largely from Anglian Old English, with some admixture of West Saxon and Kentish. One of the most noticeable differences among the dialects is the handling of original Old English /y/. By the time of the written Old English documents, the Old English of Kent had already unrounded /y/ to /e/, and the late Old English of Anglia unrounded /y/ to /i/. In the West Saxon area, /y/ remained as such well into Middle English times, and was written u in Middle English documents from this area. Some words with this sound were borrowed into London Middle English, where the unfamiliar /y/ was substituted with /u/. Hence:

Some apparent instances of modern e for Old English y are actually regular developments, particularly where the y is a development of earlier (West Saxon) ie from i-mutation of ea, as the normal i-mutation of ea in Anglian is e; for example, stern < styrne < *starnijaz, steel < stȳle < *stahlijaN (cf. Old Saxon stehli). Also, some apparent instances of modern u for Old English y may actually be due to the influence of a related form with unmutated u, e.g. sundry < syndriġ, influenced by sundor "apart, differently" (cf. to sunder and asunder).


Note: V means "any vowel"; C means "any consonant"; # means "end of word".

Late Old English (Anglian) Early Middle English Late Middle English Early Modern English Modern English Example (Old and Modern English forms given)[7]
æg, ǣg /ai/ /ai/ [æi] /eː/ /ei/ dæġ > day; mæġ > may; mæġden > maiden; næġl > nail; fæġer > fair; clǣġ > clay; grǣġ > gray
eg, ēg# /ɛi/ weġ > way; pleġan > to play; reġn > rain; leġer > lair; leġde > laid; hēġ (WS hīeġ) > hay
ēgV /ei/ > /iː/ /iː/ /əi/ /ai/ ēage > ēġe > eye; lēogan > lēġan > to lie (deceive); flēoge > flēġe > fly
ig, īg, yg, ȳg /iː/ tiġel > tile; liġe > (I) lie ("recline"); hīġian > to hie; ryġe > rye; byġe > (I) buy; drȳġe > dry
æw, aw, agV /au/ /au/ /ɔː/ /ɔː/ clawu > claw; lagu > law; dragan > to draw
ǣw, ēaw, ew, eow /ɛu/ /ɛu/ /juː/ /(j)uː/ mǣw > mew; lǣwede > lewd; scrēawa > shrew; eowu > ewe
ēw, ēow /eu/ /iu/ ċēowan > to chew; hrēowan > to rue; blēow > blew; trēowþ > truth
iw, īw, yw, ȳw /iu/ hīw > hue; nīwe > new; trīewe (WS) > true; Tīwesdæġ > Tiwesdæġ > Tuesday
āw, āgV, ow, ogV, ōw, ōgV /ɔu/ /ɔu/ /ou/ > /oː/ /əu/ (British), /ou/ (American) /bou/; flogen > flown
ugV, ūgV /uː/ /uː/ /əu/ /au/ /bau/
æh, ah, ag# /auh/ /auh/ ([x] > ) /ɔː/ /ɔː/ slæht (WS sleaht) + -or > slaughter
([x] > /f/) /af/ /æf/ hlæhtor > laughter
eh /ɛih/ /ɛih/ /ei/ > /eː/ /ei/ streht > straight
ēh /eih/ > /iːh/ /iːh/ /əi/ /ai/ hēah > hēh > high; þēoh > þēh > thigh; nēh > nigh
ih, īh, yh, ȳh /iːh/ reht > riht > right; flyht > flight; līoht > līht > light
āh, āg#, oh, og# /ɔuh/ /ɔuh/ ([x] > ) /ou/ > /oː/ /əu/ (British), /ou/ (American) dāg > dāh > dough
([x] > /f/) /ɔf/ /ɒf/ (British), /ɔːf/ (American) trog > trough
āhC, ohC, ōhC /ɔuh/ /ɔuh/ /ɔː/ /ɔː/ āhte > ought; dohtor > daughter; þoht > thought; sōhte > sought
ōh#, ōg# /ouh/ > /uːh/ /uːh/ ([x] > ) /əu/ /au/ bōg > bough; plōg > plōh > plough
([x] > /f/) /ʊf/ (centralized) /ʌf/ ġenōg, ġenōh > enough; tōh > tough; ruh > rough
uh, ug#, ūh, ūg# /uːh/ (non-centralized) /ʊf/ ?


  1. Dobson (1968), pp. 545 ff.
  2. Dobson (1968), pp. 594 ff.
  3. Dobson (1968), p. 594
  4. 1 2 Britton, D., Degemination in English, with special reference to the Middle English period, (in:) Analysing Older English, CUP 2011, pp. 231 ff.
  5. 1 2 Wells, J.C., Accents of English, CUP 1982, p. 190.
  6. "Annexe 4: Linguistic Variables". Arts.gla.ac.uk. Retrieved 2015-02-21.
  7. Many examples from Fernand Mossé (1968), A Handbook of Middle English, tr. James Walker, Baltimore: Johns Hopkins Press, pp. 27–29.


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