Great Britain vs peer

Great Britain and peer both are nouns.

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

Great Britain (noun)	peer (noun)
an island comprising England and Scotland and Wales	a person who is of equal standing with another in a group
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	a nobleman (duke or marquis or earl or viscount or baron) who is a member of the British peerage

Great Britain (verb)	peer (verb)
	look searchingly