masquerade party vs masque

masquerade party and masque both are nouns.

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

As nouns, masquerade party and masque are synonyms defined as:

masquerade party and masque: a party of guests wearing costumes and masks

Other synonyms of masquerade party include mask, masquerade.

masquerade party (noun)	masque (noun)
a party of guests wearing costumes and masks	a party of guests wearing costumes and masks