relay vs team

relay and team both are nouns.

Word	Noun	Adjective	Verb	Adverb
relay	Yes	No	Yes	No
team	Yes	No	Yes	No

As nouns, team is a hypernym of relay; that is, team is a word with a broader meaning than relay:

relay (noun)	team (noun)
the act of passing something along from one person or group to another	a cooperative unit (especially in sports)
electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit	two or more draft animals that work together to pull something
a race between teams; each member runs or swims part of the distance
a crew of workers who relieve another crew
a fresh team to relieve weary draft animals

relay (verb)	team (verb)
pass along	form a team
control or operate by relay