U.K. vs gaudy

U.K. and gaudy both are nouns.

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

U.K. (noun)	gaudy (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	(Britain) a celebratory reunion feast or entertainment held at a college

U.K. (adjective)	gaudy (adjective)
	(used especially of clothes) marked by conspicuous display
	tastelessly showy