U.K. vs topping

U.K. and topping both are nouns.

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

U.K. (noun)	topping (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	a flavorful addition on top of a dish

U.K. (adjective)	topping (adjective)
	excellent; best possible