hard cheese vs Britain

hard cheese and Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
hard cheese	Yes	No	No	No
Britain	Yes	No	No	No

hard cheese (noun)	Britain (noun)
bad luck	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