crowd vs pour

crowd is a noun but pour is not a noun.

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

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

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

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

crowd (verb)	pour (verb)
to gather together in large numbers	move in large numbers
cause to herd, drive, or crowd together	flow in a spurt
approach a certain age or speed	cause to run
fill or occupy to the point of overflowing	pour out gradually, so as to separate out sediment
	supply in large amounts or quantities
	rain heavily