personate vs masquerade

personate is not a noun while masquerade is a noun.

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

As verbs, masquerade is a hyponym of personate; that is, masquerade is a word with a more specific, narrower meaning than personate:

personate: pretend to be someone you are not; sometimes with fraudulent intentions
masquerade: pretend to be someone or something that you are not

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

personate (verb)	masquerade (verb)
attribute human qualities to something	pretend to be someone or something that you are not
pretend to be someone you are not; sometimes with fraudulent intentions	take part in a masquerade