lemon cheese vs Great Britain

lemon cheese and Great Britain both are nouns.

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

lemon cheese (noun)	Great Britain (noun)
a conserve with a thick consistency; made with lemons and butter and eggs and sugar	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