U.K. vs fruit machine

U.K. and fruit machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.K.	Yes	No	No	No
fruit machine	Yes	No	No	No

U.K. (noun)	fruit machine (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 coin-operated gambling machine that produces random combinations of symbols (usually pictures of different fruits) on rotating dials; certain combinations win money for the player