masquerade costume vs masquerade

masquerade costume and masquerade both are nouns.

Word	Noun	Adjective	Verb	Adverb
masquerade costume	Yes	No	No	No
masquerade	Yes	No	Yes	No

As nouns, masquerade costume and masquerade are synonyms defined as:

masquerade costume and masquerade: a costume worn as a disguise at a masquerade party

Other synonyms of masquerade costume include fancy dress.

masquerade costume (noun)	masquerade (noun)
a costume worn as a disguise at a masquerade party	making a false outward show
	a costume worn as a disguise at a masquerade party
	a party of guests wearing costumes and masks

masquerade costume (verb)	masquerade (verb)
	pretend to be someone or something that you are not
	take part in a masquerade