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American and British English pronunciation differences
Pronunciation comparison From Wikipedia, the free encyclopedia
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Differences in pronunciation between American English (AmE) and British English (BrE) can be divided into
- differences in accent (i.e. phoneme inventory and realisation). See differences between General American and Received Pronunciation for the standard accents in the United States and Britain; for information about other accents see regional accents of English.
- differences in the pronunciation of individual words in the lexicon (i.e. phoneme distribution). In this article, transcriptions use Received Pronunciation (RP) to represent BrE and General American (GAm) to represent AmE.
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In the following discussion:
- superscript A2 after a word indicates that the BrE pronunciation of the word is a common variant in AmE.
- superscript B2 after a word indicates that the AmE pronunciation of the word is a common variant in BrE.
- superscript A1 after a word indicates that the pronunciation given as BrE is also the most common variant in AmE.
- superscript B1 after a word indicates that the pronunciation given as AmE is also the most common variant in BrE.
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Stress
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Perspective
Subscript a or b means that the relevant unstressed vowel is also reduced to /ə/ or /ɪ/ in AmE or BrE, respectively.
French stress
For many loanwords from French, AmE has final-syllable stress, while BrE stresses an earlier syllable. French loanwords that differ in stress only are listed below.
Verbs ending in -ate
Most 2-syllable verbs ending in -ate have first-syllable stress in AmE and second-syllable stress in BrE. This includes castrate, collate, cremateA2,[69] curate, dictateA2, dilate, donateA2, fixate, frustrate, gestate, gradate, gyrate, hydrate, lactate, locateA2, mandateB2, migrate, mutate, narratebA2, notate, phonate, placatebB2, prostrate, pulsate, rotate, serrateA2, spectate, stagnate, striate,[70] translateA2, truncate, vacateb*A2,[71] vibrateA2. Examples where AmE and BrE match include conflate, create, equate, elate, inflate, negate, sedate; and probate with first-syllable stress. Derived nouns in -ator retain the distinction, but those in -ation do not. Also, migratoryB2[72] and vibratoryB2[73] sometimes retain the distinction.
Most longer -ate verbs are pronounced the same in AmE and BrE, but a few have first-syllable stress in BrE and second-syllable stress in AmE: demarcateaA2, elongateaA2, impregnateB1, incarnateA2, inculcate, inculpate, infiltrateA1, remonstrateabA2,[74] sequestrate, tergiversateaA1[nb 99].[75] For some derived adjectives ending -atory stress-shifting to -a(tory)- occurs in BrE. Among these cases are celebratorya[76] (BrE: /ˌsɛlɪˈbreɪtəri/), circulatorya, compensatorya,[77] participatorya,[78] regulatoryaB1.[79] AmE stresses the same syllable as the corresponding -ate verb (except compensatory, where AmE stresses the second syllable). A further -atory difference is laboratoryB2: AmE /ˈlæbərətɔːri/ and BrE /ləˈbɒrətəri/.[80]
Miscellaneous stress
There are a number of cases where same-spelled noun, verb and/or adjective have uniform stress in one dialect but distinct stress in the other (e.g. alternate, prospect): see initial-stress-derived noun.
The following table lists words not brought up in the discussion so far where the main difference between AmE and BrE is in stress. Usually, it also follows a reduction of the unstressed vowel. Words marked with subscript A or B are exceptions to this, and thus retains a full vowel in the (relatively) unstressed syllable of AmE or BrE. A subsequent asterisk, *, means that the full vowel is usually retained; a preceding * means that the full vowel is sometimes retained.
Words with other points of difference are listed in a later table.
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Affixes
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-ary, -ery, -ory, -mony, -ative, -bury, -berry
Where the syllable preceding the suffixes -ary, -ery, -ory, -mony or -ative is unstressed, AmE pronounces the penultimate syllable with a full vowel sound: /-ɛri/ for -ary and -ery, /-ɔːri/ for -ory, /-moʊni/ for -mony and /-eɪtɪv/ -ative. BrE reduces the vowel to a schwa or even elides it completely: [-əri] or [-ri] (hereafter transcribed as /-əri/ in diaphonemic transcription), /-məni/ and /-ətɪv/. So military is AmE /ˈmɪlətɛri/ and BrE /ˈmɪlɪtəri/,[87] inventory is AmE /ˈɪnvəntɔːri/ and BrE /ˈɪnvəntəri/,[88] testimony is AmE /ˈtɛstəmoʊni/ and BrE /ˈtɛstɪməni/[89] and innovative is AmE /ˈɪnoʊveɪtɪv/ or /ˈɪnəveɪtɪv/ and BrE /ˈɪnəvətɪv/.[90] (The elision is avoided in carefully enunciated speech, especially with endings -rary, -rery, -rory.[citation needed])
Where the syllable preceding -ary, -ery, -ory, -mony or -ative is stressed however, AmE also usually reduces the vowel: /-əri/, /-məni/. Exceptions include library,[91] primaryA2,[92] rosemary.[93] (Pronouncing library as /ˈlaɪbɛri/ rather than /ˈlaɪbrɛri/ is stigmatized in the United States, for example as associated with African-American Vernacular English,[94] whereas in BrE, /ˈlaɪbri/ is common in rapid or casual speech.)
The suffix -berry is pronounced by similar rules, except that in BrE it may be full /-bɛri/ after an unstressed syllable, while in AmE it is usually full in all cases. Thus we have strawberry: BrE /ˈstrɔːbəri/, AmE /ˈstrɔːbɛri/, and whortleberry: BrE/AmE /ˈhwɔːrtəlbɛri/.
The placename component -bury (e.g. Canterbury) has a similar difference: AmE has a full vowel: /-bɛri/ where BrE has a reduced one: /-bəri/.
Stress differences between the dialects occur with some words ending in -atory (listed above) and a few others like capillary (included in #Miscellaneous stress above).
Formerly the BrE–AmE distinction for adjectives carried over to corresponding adverbs ending -arily, -erily or -orily. However, nowadays some BrE speakers adopt the AmE practice of shifting the stress to the penultimate syllable: militarily is thus sometimes /ˌmɪlɪˈtɛrɪli/ rather than /ˈmɪlɪtərəli/, and necessarily is in BrE either /ˈnɛsəsərɪli/ or /ˌnɛsəˈsɛrɪli/.[95]
-ile
Words ending in unstressed -ile derived from Latin adjectives ending -ilis are mostly pronounced with a full vowel in BrE /aɪl/ but a reduced vowel or syllabic L in AmE /əl/ (e.g. fertile rhymes with fur tile in BrE but with furtle in AmE).
AmE will (unlike BrE, except when indicated withB2) have a reduced last vowel:
- generally in facile, (in)fertile, fissile, fragile, missile, stabile (adjective), sterile, tensile, versatile, virile, volatile
- usually in agile, docile,[nb 117] decile, ductile,[96] futile, hostile, juvenile, (im)mobile (adjective and phone), puerile, tactile
- rarely in domicileB2,[nb 118] erectile, febrileA2,[97][nb 119] infantile, nubile, pensile, percentile, projectile,[98] reptile, senileA2,[nb 120] servile, textile, utile[99]
- never in crocodile, exile, gentile, reconcile; nor to compounds of monosyllables (e.g. turnstile from stile)
In some words the pronunciation /iːl/ also comes into play:
- BrE /aɪl/, AmE /iːl/: c(h)amomileA2, mercantileA2, mobile/stabile (decorations)
- BrE /aɪl/, AmE /ɪl/ or /əl/: motile, prehensile, pulsatile, tractile
- BrE /iːl/, AmE /ɪl/ or /əl/: imbecile
- BrE /ɪl/, AmE /iːl/: rutile (BrE, AmE also /aɪl/)[100]
Related endings -ility, -ilize, -iliary are pronounced the same in AmE as BrE.
di-
The pronunciation of the vowel of the prefix di- in words such as dichotomy, digest (verb), dilate, dilemma, dilute, diluvial, dimension, direct, dissect, disyllable, divagate, diverge, diverse, divert, divest, and divulge as well as their derivational forms vary between /aɪ/ and /ɪ/ or /ə/ in both British and American English.[101]: 237
-ine
The suffix -ine,[9] when unstressed, is pronounced sometimes /aɪn/ (e.g. feline), sometimes /iːn/ (e.g. morphine) and sometimes /ɪn/ (e.g. medicine). Some words have variable pronunciation within BrE, or within AmE, or between BrE and AmE. Generally, AmE is more likely to favor /iːn/ or /ɪn/, and BrE to favor /aɪn/.
BrE /aɪn/, AmE (1) /iːn/: carbineA2, FlorentineA2, internecineA2, philistineA2, pristineB2[nb 121], salineA2, serpentineA2.
BrE /aɪn/, AmE (1) /iːn/ (2) /ɪn/: adamantineA2.
BrE /aɪn/, AmE /ɪn/: uterineB2.
BrE /aɪn/, AmE (1) /ɪn/ (2) /aɪn/ (3) /iːn/: crystalline, labyrinthine.[102]
Effects of the weak vowel merger
The weak vowel merger causes affixes such as -ate (as in climate), be- (before a consonant), de- (as in decide), -ed (with a sounded vowel), -es (with a sounded vowel), -est, -less, -ness, pre- (as in prepare) and re- (before a consonant) to be pronounced with the schwa /ə/ (the a in about), rather than the unstressed /ɪ/ (found in the second syllable of locksmith). Conservative RP uses /ɪ/ in each case, so that before, waited, roses and faithless are pronounced /bɪˈfɔːr, ˈweɪtɪd, ˈroʊzɪz, ˈfeɪθlɪs/, rather than /bəˈfɔːr, ˈweɪtəd, ˈroʊzəz, ˈfeɪθləs/, which are more usual in General American. The pronunciations with /ə/ are gaining ground in RP and in the case of certain suffixes (such as -ate and -less) have become the predominant variants. The noun carelessness is pronounced /ˈkɛərləsnəs/ in modern RP and /ˈkɛərlɪsnɪs/ in conservative RP; both pronunciations typically merge in GA (usually towards the latter). This variation is denoted with the symbol ⟨ᵻ⟩ in some of the dictionaries published by Oxford University Press and in the Routledge Dictionary of Pronunciation of Current English. In the latter, the British pronunciation of climate is transcribed ⟨ˈklʌɪmᵻt⟩, though carelessness is transcribed ⟨ˈkɛːləsnəs⟩.
Affixes such as dis-, in-, -ing and mis- contain /ɪ/ in conservative RP as well as General American and modern RP, so that words such as disloyal or teaching are phonemically /dɪsˈlɔɪəl/ and /ˈtiːtʃɪŋ/ in all three varieties.
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Weak forms
The title Saint before a person's name has a weak form in BrE but not AmE: before vowels, /sənt/.[103]
Miscellaneous pronunciation differences
Summarize
Perspective

These tables list words pronounced differently but spelled the same. See also the table of words with different pronunciation reflected in the spelling.
Single differences
Words with multiple points of difference of pronunciation are in the table after this one. Accent-based differences are ignored. For example, in their respective conventional accent-specific transcription systems, Moscow would be transcribed as RP /ˈmɒskəʊ/ and GAm /ˈmɑskaʊ/, but it is RP /ˈmɒskoʊ/ and GAm /ˈmɒskaʊ/ in the transcription system used in this article. Only the /oʊ/–/aʊ/ difference is highlighted here, since both the presence of a contrastive /ɒ/ vowel in RP (which falls together with /ɑː/ in GA) and the RP use of [əʊ] rather than [oʊ] are predictable from the accent. Also, tiara is listed with AmE /æ/; the marry–merry–Mary merger changes this vowel for many Americans.
Many sources omit the length marks in transcriptions of AmE, so that words such as father or keep are transcribed /ˈfɑðər/ and /ˈkip/ rather than /ˈfɑːðər/ and /ˈkiːp/. Even though it is not phonemic, vowel length in GA works in a very similar manner to RP, so this is mainly a difference in transcription.
Multiple differences
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Notes
- BrE /ˈdeɪbɑːkəl/ (now rare) or more commonly /dɪˈbɑːkəl/, AmE /dɪˈbækəl/
- The last vowel is often reduced in BrE. AmE only reduces the middle one.
- BrE UK: /baɪˈjɜː, beɪ-/, AmE US: /ˈbeɪjuː, ˈbaɪ-/
- BrE /məˈstɑːʃ/, AmE /ˈmʌstæʃ/
- The British is typically /rɪˈneɪsəns/ and the American /ˈrɛnəsɑːns/ or even /rɛnəˈsɑːns/
- For "dam (barrier)": AmE /ˈbɑːrɪdʒ/
- BrE /ˈbuːfɒ̃/, AmE /buːˈfɑːnt/
- BrE (1) /ˈbroʊʃər/ (2) /brɒˈʃʊər/ AmE /broʊˈʃʊər/ ⓘ
- BrE (1) /ˈbʌstieɪ/ (2) /ˈbʊstieɪ/ AmE /ˌbuːstiˈeɪ/ corset
- BrE (1) /ˈdeɪbriː/ (2) /ˈdɛbriː/
- BrE /ˈflɒmbeɪ/
- BrE /ˈlænʒəri/, AmE /ˌlɒnʒəˈreɪ/
- AmE /pæˈstiːl/
- BrE /ˈpæteɪ/, AmE /pɑːˈteɪ, pæ-/
- BrE /ˈpɒ̃sjɒ̃/, AmE /pɒnˈsjoʊn/ lodging
- BrE /ˈprɒtəʒeɪ/ AmE (1) /ˈproʊtəʒeɪ/ (2) /ˌproʊtəˈʒeɪ/
- BrE /ˈsɔːrbeɪ/ AmE (1) /ˈsɔːrbɪt/ (2) /sɔːrˈbeɪ/
- UK: /ˈɑːrɡænd/, US: /ɑːrˈɡɑːnd/, French: [aʁɡɑ̃]
- UK: /ˈævɪnjɒ̃/, US: /ˌævɪnˈjoʊn/, French: [aviɲɔ̃]
- UK: /ˈboʊvwɑːr/, US: /boʊˈvwɑːr/, French: [bovwaʁ]
- UK: /ˈblɛrioʊ/, US: /ˌblɛriˈoʊ/, French: [bleʁjo]
- UK: /ˈkɒ̃mbreɪ/, US: /kɑːmˈbreɪ/, French: [kɑ̃bʁɛ]
- UK: /ˈkɑːrtieɪ/, US: /ˌkɑːrtiˈeɪ, -ˈtjeɪ/, French: [kaʁtje]
- UK: /ˈʃæməniː/, US: /ˌʃæməˈniː/, French: [ʃamɔni]
- UK: /ˈʃæbrieɪ/, US: /ˌʃɑːbriˈeɪ/, French: [ʃabʁie]
- UK: /ˈʃɑːrdəneɪ/, US: /ˌʃɑːrdəˈneɪ/, French: [ʃaʁdɔnɛ]
- BrE (1) /ˈsɪtroʊən/ (2) /ˈsɪtrən/ AmE (1) /ˌsɪtroʊˈɛn/ (2) /ˈsɪtroʊn/ French: [sitʁɔɛn]
- UK: /ˈdɔːfiːn/, US: /doʊˈfiːn/, French: [dofin]
- UK: /ˈdɛpɑːrdjɜː/, US: /ˌdɛpɑːrˈdjuː/, French: [dəpaʁdjø]
- UK: /ˈfloʊbɛər/, US: /floʊˈbɛər/, French: [flobɛʁ]
- UK: /ˈfrɒ̃ŋɡleɪ/, US: /frɑːnˈɡleɪ/, French: [fʁɑ̃ɡlɛ]
- UK: /ˈdʒɛrɑːrd/, US: /dʒəˈrɑːrd/, French: [ʒeʁaʁ]
- UK: /ˈmælɑːrmeɪ/, US: /ˌmælɑːrˈmeɪ/, French: [malaʁme]
- UK: /ˈmæsəneɪ/, US: /ˌmæsəˈneɪ/, French: [masnɛ]
- French: [mɔʁis, moʁis]
- UK: /ˈmɒliɛər, ˈmoʊl-/, US: /moʊlˈjɛər/, French: [mɔljɛʁ]
- UK: /ˈpɜːrpɪnjɒ̃/, US: /ˌpɛərpiːˈnjɒn/, French: [pɛʁpiɲɑ̃]
- UK: /ˈpwɑːroʊ/, US: /pwɑːˈroʊ/, French: [pwaʁo]
- UK: /ˈpwɑːtieɪ/, US: /ˌpwɑːtiˈeɪ, -ˈtjeɪ/, French: [pwatje]
- UK: /ˈræbəleɪ/, US: /ˌræbəˈleɪ/, French: [ʁablɛ]
- UK: /ˈruːɒ̃, ˈruːɒn/, US: /ruːˈɒ̃, ruːˈɒn/, French: [ʁwɑ̃]
- UK: /ˈruːsɪjɒn/, US: /ˌruːsiːˈjoʊn/, French: [ʁusijɔ̃]
- UK: /ˈsæti, ˈsɑːti/, US: /sæˈtiː, sɑːˈtiː/, French: [sati]
- UK: /ˈtruːfoʊ, ˈtrʊ-/ US: /truːˈfoʊ/ French: [tʁyfo]
- UK: /ˈvuːvreɪ/, US: /vuːˈvreɪ/, French: [vuvʁɛ]
- BrE /laɪˈtʃiː/, AmE /ˈliːtʃiː/
- BrE /pɒ̃ˈʃɒ̃/, AmE /ˈpɛntʃənt/
- BrE /ˌpoʊpəˈriː/, AmE /ˈpoʊpəri/
- BrE /tæmˈbɑːl/, AmE /ˈtɪmbəl/
- BrE /pɑːrtɪˈzæn/, AmE /ˈpɑːrtɪzən/.
- BrE /niːˈʒɛər/, AmE /ˈnaɪdʒər/ Due to history with France, the country pronunciation in BrE is French [niʒɛʁ]. The country pronunciation in AmE is anglicized. Regardless of region, the river is pronounced /ˈnaɪdʒər/.
- stress more usually on third syllable in British English
- BrE /fiˈɒnseɪ/
- BrE /ˈbɜːrnərd/, AmE /bərˈnɑːrd/
- BrE /ˈsʌbəltərn/, AmE /səˈbɔːltərn/
- BrE (rare) /dɪˈfɪsɪt/
- BrE /ɪnˈkwaɪəri/, AmE /ˈɪnkwəri/
- BrE /ˌmɑːrʃˈmæloʊ/, AmE /ˈmɑːrʃmɛloʊ/
- Britain follows the first-syllable American norm when "princess" is used as an honorific, directly prefixing someone's name.
- BrE /dɪsɪˈplɪnəri/, AmE /ˈdɪsɪplɪnɛri/
- AmE also /ˈdoʊməsəl/
- AmE also /ˈfɛbriːl, ˈfɛbrəl/
- Although the British pronunciation is still heard in American English, it may be in declining usage, being increasingly seen as incorrect, particularly among Nevadans and other Western Americans.
- AmE also /ˈstrætʌm/
- AmE also /ˈn(j)oʊki/
- AmE also /ˌhaɪdʒiˈɛnɪk/
- AmE also /ˈboʊɡətɑː/
- AmE, either /ˈpeɪθoʊs/ or /ˈpæθoʊs/
- AmE also /rəˈspaɪt/
- This word is listed due to possible statistical preferences.
- AmE is as BrE except in military sense "advance at an angle"
- AmE also /pɔːlˈmɔːl/
- Cordiality in AmE is /kɔːrdʒiˈælɪti/ and in BrE is /kɔːrdiˈælɪti/
- Christianity in AmE is /krɪstʃiˈænɪti/ and in BrE is /krɪstiˈænɪti/
- The old English pronunciation with /v/ has to a large extent been replaced by /f/ due to the spelling latinization of Middle English "neveu". The preference breakdown in BrE is /f/ 79%, /v/ 21%.)[146]
- Solder in AmE is /ˈsɒdər/ and in BrE is either /ˈsɒldər/ or /ˈsoʊldər/.
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References
Further reading
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