Great Britain vs lemon cheese

Great Britain and lemon cheese both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
lemon cheese	Yes	No	No	No

Great Britain (noun)	lemon cheese (noun)
an island comprising England and Scotland and Wales	a conserve with a thick consistency; made with lemons and butter and eggs and sugar
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