crew vs assemblage

crew and assemblage both are nouns.

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

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

Other hypernyms of crew include gathering.

crew (noun)	assemblage (noun)
an organized group of workmen	the social act of assembling
the men and women who man a vehicle (ship, aircraft, etc.)	a system of components assembled together for a particular purpose
the team of men or women manning a racing shell	a group of persons together in one place
an informal body of friends	several things grouped together or considered as a whole

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