U.K. vs rustication

U.K. and rustication both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.K.	Yes	No	No	No
rustication	Yes	No	No	No

U.K. (noun)	rustication (noun)
a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom	the action of retiring to and living in the country
	banishment into the country
	the construction of masonry or brickwork in a rustic manner
	temporary dismissal of a student from a university
	the condition naturally attaching to life in the country