American and British English pronunciation differences

Differences in pronunciation between American English (AmE) and British English (BrE) can be divided into:

In the following discussion:

Subscript _a or _b means that the relevant unstressed vowel is also reduced to /ə/ or /ɪ/ in AmE or BrE, respectively.

For many loanwords from French where AmE has kept the original French final-syllable stress, BrE stresses an earlier syllable. French loanwords that differ in stress only are listed below.

Also some French names, including: Degas, Dijon,Dumas,Manet,Monet,Renault_a,Rimbaud.

Also some French names, including: Debussy_b, Dubonnet_a.

Most 2-syllable verbs ending -ate have first-syllable stress in AmE and second-syllable stress in BrE. This includes castrate, cremate^A2,dictate^A2, donate^A2, locate^A2, migrate, narrate_b^A2, placate_b^B2, prostrate, pulsate, rotate, serrate^A2, spectate, striate,translate^A1, vacate_b*^A2,vibrate^A2. Examples where AmE and BrE match include create, debate, equate, elate, negate; and mandate and probate with first-syllable stress. Derived nouns in -ator retains the distinction, but those in -ation do not. Also, migratory^B1 and vibratory^B1 sometimes retain the distinction.

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