UK vs peer

UK and peer both are nouns.

Word	Noun	Adjective	Verb	Adverb
UK	Yes	No	No	No
peer	Yes	No	Yes	No

UK (noun)	peer (noun)
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 person who is of equal standing with another in a group
	a nobleman (duke or marquis or earl or viscount or baron) who is a member of the British peerage

UK (verb)	peer (verb)
	look searchingly