crowd vs teem

crowd is a noun but teem is not a noun.

Word	Noun	Adjective	Verb	Adverb
crowd	Yes	No	Yes	No
teem	No	No	Yes	No

As verbs, teem is a hyponym of crowd; that is, teem is a word with a more specific, narrower meaning than crowd:

Other hyponyms of crowd include mass, overcrowd, pour, pullulate, stream, swarm, herd, jam, mob, pack, pile, throng.

crowd (noun)	teem (noun)
a large number of things or people considered together
an informal body of friends

crowd (verb)	teem (verb)
to gather together in large numbers	move in large numbers
cause to herd, drive, or crowd together	be teeming, be abuzz
approach a certain age or speed
fill or occupy to the point of overflowing