kaftan vs cloak

kaftan and cloak both are nouns.

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

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

kaftan: a (cotton or silk) cloak with full sleeves and sash reaching down to the ankles; worn by men in the Levant
cloak: a loose outer garment

kaftan (noun)	cloak (noun)
a (cotton or silk) cloak with full sleeves and sash reaching down to the ankles; worn by men in the Levant	a loose outer garment
a woman's dress style that imitates the caftan cloaks worn by men in the Near East	anything that covers or conceals

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