U.K. vs carry-over

U.K. and carry-over both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.K.	Yes	No	No	No
carry-over	Yes	No	No	No

U.K. (noun)	carry-over (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	application of a skill learned in one situation to a different but similar situation
	the accumulated and undivided profits of a corporation after provision has been made for dividends and reserves