crew member vs crew

crew member and crew both are nouns.

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

crew member (noun)	crew (noun)
a member of a flight crew	an organized group of workmen
	the men and women who man a vehicle (ship, aircraft, etc.)
	the team of men or women manning a racing shell
	an informal body of friends

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