Great Britain vs bottle bank

Great Britain and bottle bank both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
bottle bank	Yes	No	No	No

Great Britain (noun)	bottle bank (noun)
an island comprising England and Scotland and Wales	a place where bottles can be deposited for recycling
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