honours degree vs Britain

honours degree and Britain both are nouns.

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

honours degree (noun)	Britain (noun)
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