opera company vs troupe

opera company and troupe both are nouns.

Word	Noun	Adjective	Verb	Adverb
opera company	Yes	No	No	No
troupe	Yes	No	No	No

As nouns, troupe is a hypernym of opera company; that is, troupe is a word with a broader meaning than opera company:

opera company: a company that produces operas
troupe: organization of performers and associated personnel (especially theatrical)

Other hypernyms of opera company include company.

opera company (noun)	troupe (noun)
a company that produces operas	organization of performers and associated personnel (especially theatrical)