mask vs masquerade

mask and masquerade both are nouns.

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

As nouns, mask and masquerade are synonyms defined as:

Other synonyms of mask include masque, masquerade party.

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

Other hyponyms of mask include cloak, dissemble, mask, dissimulate, camouflage.

mask (noun)	masquerade (noun)
activity that tries to conceal something	making a false outward show
a covering to disguise or conceal the face	a costume worn as a disguise at a masquerade party
a protective covering worn over the face	a party of guests wearing costumes and masks
a party of guests wearing costumes and masks

mask (verb)	masquerade (verb)
put a mask on or cover with a mask	pretend to be someone or something that you are not
shield from light	take part in a masquerade
cover with a sauce
hide under a false appearance
make unrecognizable