Reckon we got renamed.
And we’re all rhotic af.
We’ll stick an extraneous R in something just because.
:D
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The Appalachian accent is characterized by a Scotch Irish influence. It preserves certain aspects of Elizabethan English through distinctive pronunciations — for example, “like” sounds like “lack.” A musical quality comes from initial syllable stress, which is when the emphasis is shifted to the first syllable of a word.
Appalachian is relative.
It turns out that those "mountain people" are scattered for a thousand or so miles from the hills of north Mississippi, north Alabama, and up the rest of the Appalachian chain.
Hillbilly English flows the same along the way from little towns like Fulton, MS, Hamilton, AL, Chattanooga, TN, Bristol, TN/VA, and all along the chain.
So too, do many of the customs and folkays. Just ask JD Vance.