marquess vs peer

marquess and peer both are nouns.

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

As nouns, peer is a hypernym of marquess; that is, peer is a word with a broader meaning than marquess:

marquess: a British peer ranking below a duke and above an earl
peer: a nobleman (duke or marquis or earl or viscount or baron) who is a member of the British peerage

marquess (noun)	peer (noun)
a British peer ranking below a duke and above an earl	a person who is of equal standing with another in a group
nobleman (in various countries) ranking above a count	a nobleman (duke or marquis or earl or viscount or baron) who is a member of the British peerage

marquess (verb)	peer (verb)
	look searchingly