Great Britain vs nous

Great Britain and nous both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
nous	Yes	No	No	No

Great Britain (noun)	nous (noun)
an island comprising England and Scotland and Wales	that which is responsible for one's thoughts, feelings, and conscious brain functions; the seat of the faculty of reason
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	common sense