First Marquess Cornwallis vs peer

First Marquess Cornwallis and peer both are nouns.

Word	Noun	Adjective	Verb	Adverb
First Marquess Cornwallis	Yes	No	No	No
peer	Yes	No	Yes	No

First Marquess Cornwallis (noun)	peer (noun)
commander of the British forces in the American War of Independence; was defeated by American and French troops at Yorktown (1738-1805)	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

First Marquess Cornwallis (verb)	peer (verb)
	look searchingly