I've been thinking about this, on and off, since I first saw the post at about 10 pm BST last night.

eta's right, It IS an interesting question, and not one to be answered lightly.
My main problem with it is that, as gonoldothrond has rightly said, my list of words is very context-oriented. Some lists would be totally different from others - the pub list would include words from "Tahnk you, I'll have another pint" whereas my UNi list would be headed by "However" and "It's not my period" (the trusty standby for all historians!)