Bill Bryson wrote an excellent book comparing American with UK English, noting the many British words and spellings that went over in Elizabethan times that evolved differently.
Putting "en" on the end of a word is still widely used colloquially around here. Here being a small part of a county. Other places too.
Anyone from the West Country may sympathise with the song Adge Cutler wrote about backing your car / tractor / horse and cart into where you can't get it back out again. "You've gotten where you cassen backen hasn't!"
Language evolves. People do too, some faster than others.