U.K. vs plonk

U.K. and plonk both are nouns.

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

U.K. (noun)	plonk (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 noise of something dropping (as into liquid)
	a cheap wine of inferior quality

U.K. (verb)	plonk (verb)
	set (something or oneself) down with or as if with a noise