peer vs U.K.

peer and U.K. both are nouns.

Word	Noun	Adjective	Verb	Adverb
peer	Yes	No	Yes	No
U.K.	Yes	No	No	No

peer (noun)	U.K. (noun)
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

peer (verb)	U.K. (verb)
look searchingly