duet vs mate

duet and mate both are nouns.

Word	Noun	Adjective	Verb	Adverb
duet	Yes	No	No	No
mate	Yes	No	Yes	No

duet (noun)	mate (noun)
(ballet) a dance for two people (usually a ballerina and a danseur noble)	a chess move constituting an inescapable and indefensible attack on the opponent's king
a musical composition for two performers	an exact duplicate
a pair who associate with one another	South American tea-like drink made from leaves of a South American holly called mate
two performers or singers who perform together	a person's partner in marriage
two items of the same kind	the partner of an animal (especially a sexual partner)
	the officer below the master on a commercial ship
	informal term for a friend of the same sex
	a fellow member of a team
	South American holly; leaves used in making a drink like tea
	one of a pair

duet (verb)	mate (verb)
	place an opponent's king under an attack from which it cannot escape and thus ending the game
	engage in sexual intercourse
	bring two objects, ideas, or people together