masquerade ball vs masque

masquerade ball and masque both are nouns.

Word	Noun	Adjective	Verb	Adverb
masquerade ball	Yes	No	No	No
masque	Yes	No	No	No

As nouns, masque is a hypernym of masquerade ball; that is, masque is a word with a broader meaning than masquerade ball:

Other hypernyms of masquerade ball include ball, formal, mask, masquerade, masquerade party.

masquerade ball (noun)	masque (noun)
a ball at which guests wear costumes and masks	a party of guests wearing costumes and masks