tart vs U.K.

tart and U.K. both are nouns.

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

tart (noun)	U.K. (noun)
a small open pie with a fruit filling	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 pastry cup with a filling of fruit or custard and no top crust
a woman who engages in sexual intercourse for money

tart (adjective)	U.K. (adjective)
tasting sour like a lemon
harsh