comic opera vs opera comique

comic opera and opera comique both are nouns.

Word	Noun	Adjective	Verb	Adverb
comic opera	Yes	No	No	No
opera comique	Yes	No	No	No

As nouns, comic opera and opera comique are synonyms defined as:

comic opera and opera comique: opera with a happy ending and in which some of the text is spoken

Other synonyms of comic opera include bouffe, opera bouffe.

comic opera (noun)	opera comique (noun)
opera with a happy ending and in which some of the text is spoken	opera with a happy ending and in which some of the text is spoken