fruit machine vs Great Britain

fruit machine and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
fruit machine	Yes	No	No	No
Great Britain	Yes	No	No	No

fruit machine (noun)	Great Britain (noun)
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	an island comprising England and Scotland and Wales
	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