corps de ballet vs chorus

corps de ballet and chorus both are nouns.

Word	Noun	Adjective	Verb	Adverb
corps de ballet	Yes	No	No	No
chorus	Yes	No	Yes	No

As nouns, chorus is a hypernym of corps de ballet; that is, chorus is a word with a broader meaning than corps de ballet:

Other hypernyms of corps de ballet include chorus line.

corps de ballet (noun)	chorus (noun)
the chorus of a ballet company	the part of a song where a soloist is joined by a group of singers
	any utterance produced simultaneously by a group
	a group of people assembled to sing together
	a body of dancers or singers who perform together
	a company of actors who comment (by speaking or singing in unison) on the action in a classical Greek play

corps de ballet (verb)	chorus (verb)
	utter in unison
	sing in a choir