wrapper vs cloak

wrapper and cloak both are nouns.

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

As nouns, cloak is a hypernym of wrapper; that is, cloak is a word with a broader meaning than wrapper:

wrapper (noun)	cloak (noun)
cloak that is folded or wrapped around a person	a loose outer garment
a loose dressing gown for women	anything that covers or conceals
the covering (usually paper or cellophane) in which something is wrapped

wrapper (verb)	cloak (verb)
	cover with or as if with a cloak
	cover as if with clothing
	hide under a false appearance