mate vs join

mate and join both are nouns.

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

As verbs, join is a hypernym of mate; that is, join is a word with a broader meaning than mate:

Other hypernyms of mate include conjoin.

As verbs, join is a hypernym of mate; that is, join is a word with a broader meaning than mate:

mate (noun)	join (noun)
a chess move constituting an inescapable and indefensible attack on the opponent's king	a set containing all and only the members of two or more given sets
an exact duplicate	the shape or manner in which things come together and a connection is made
South American tea-like drink made from leaves of a South American holly called mate
a person's partner in marriage
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

mate (verb)	join (verb)
place an opponent's king under an attack from which it cannot escape and thus ending the game	make contact or come together
engage in sexual intercourse	cause to become joined or linked
bring two objects, ideas, or people together	become part of; become a member of a group or organization
	come into the company of
	be or become joined or united or linked