gang vs stage crew

gang and stage crew both are nouns.

Word	Noun	Adjective	Verb	Adverb
gang	Yes	No	Yes	No
stage crew	Yes	No	No	No

As nouns, stage crew is a hyponym of gang; that is, stage crew is a word with a more specific, narrower meaning than gang:

gang: an organized group of workmen
stage crew: crew of workers who move scenery or handle properties in a theatrical production

gang (noun)	stage crew (noun)
tool consisting of a combination of implements arranged to work together	crew of workers who move scenery or handle properties in a theatrical production
an organized group of workmen
an association of criminals
an informal body of friends

gang (verb)	stage crew (verb)
act as an organized group