Great Britain vs saloon

Great Britain and saloon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
saloon	Yes	No	No	No

Great Britain (noun)	saloon (noun)
an island comprising England and Scotland and Wales	a room or establishment where alcoholic drinks are served over a counter
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	tavern consisting of a building with a bar and public rooms; often provides light meals
	a car that is closed and that has front and rear seats and two or four doors