select committee vs Great Britain

select committee and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
select committee	Yes	No	No	No
Great Britain	Yes	No	No	No

select committee (noun)	Great Britain (noun)
a parliamentary committee appointed for some special purpose	an island comprising England and Scotland and Wales
	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