In American accents^x, Diphthongs^x, British English^x

Anonymous wrote: The American pronunciation of “o” in your next example wouldn’t be found in any regional accent of British English that I can call to mind immediately, though there is considerable variation in the pronunciation of this sound – for example, in Scotland, Liverpool and the West...

It’s rather hard to work out quite what you are looking for here. Some of these features – as Marvin A was pointing out – are not specifically American English pronunciation, but the allophonic variation that occurs in connected speech. That is, the pronunciation of some sounds is influenced...