Great Britain vs no-go area

Great Britain and no-go area both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
no-go area	Yes	No	No	No

Great Britain (noun)	no-go area (noun)
an island comprising England and Scotland and Wales	an area that is dangerous or impossible to enter or to which entry is forbidden
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