cloak vs disguise

cloak and disguise both are nouns.

Word	Noun	Adjective	Verb	Adverb
cloak	Yes	No	Yes	No
disguise	Yes	No	Yes	No

As verbs, disguise is a hypernym of cloak; that is, disguise is a word with a broader meaning than cloak:

Other hypernyms of cloak include mask.

cloak (noun)	disguise (noun)
a loose outer garment	the act of concealing the identity of something by modifying its appearance
anything that covers or conceals	any attire that modifies the appearance in order to conceal the wearer's identity
	an outward semblance that misrepresents the true nature of something

cloak (verb)	disguise (verb)
cover with or as if with a cloak	make unrecognizable
cover as if with clothing
hide under a false appearance