crowd vs crowding

crowd and crowding both are nouns.

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

crowd (noun)	crowding (noun)
a large number of things or people considered together	a situation in which people or things are crowded together
an informal body of friends

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