Great Britain vs honours degree

Great Britain and honours degree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
honours degree	Yes	No	No	No

Great Britain (noun)	honours degree (noun)
an island comprising England and Scotland and Wales	a university degree with honors
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