crew vs gathering

crew and gathering both are nouns.

Word	Noun	Adjective	Verb	Adverb
crew	Yes	No	Yes	No
gathering	Yes	No	No	No

As nouns, gathering is a hypernym of crew; that is, gathering is a word with a broader meaning than crew:

Other hypernyms of crew include assemblage.

crew (noun)	gathering (noun)
an organized group of workmen	the social act of assembling
the men and women who man a vehicle (ship, aircraft, etc.)	the act of gathering something
the team of men or women manning a racing shell	sewing consisting of small folds or puckers made by pulling tight a thread in a line of stitching
an informal body of friends	a group of persons together in one place

crew (verb)	gathering (verb)
serve as a crew member on