I have expressed poorly that older forms of language hang on in more rural places.  No language changes from its Middle to its Modern form in a day or even a decade.

Elizabeth Mary Wright has said with elegance what I have only grunted.

many a delightful old word which ran away from a public career a century or two ago, and left no address, may thus be discovered in its country retreat, hale and hearty yet, though hoary with age.

Tolkien, J.R.R. The Annotated Hobbit.  Revised and expanded edition annotated by Douglas A. Anderson. Houghton Mifflin Company. Boston. Print. p 211.