aunt An obvious example missed. The awnt, ant pronunciations for aunt I generally take to be a Brit/USN thing, although sometimes it just seems to be a matter of preference (or the haughtiness of class when used by the Blue Book society set here in the US).

In the UK it is just another of the North/South short vowel/long vowel divide.

I always find it interesting that in Scotland, a long vowel used by an English person is seen a sign of "snootiness" and "Englishness" whereas in the South of England, everyone would cut the Graaas, regardless of claaas.