abaya vs robe

abaya and robe both are nouns.

Word	Noun	Adjective	Verb	Adverb
abaya	Yes	No	No	No
robe	Yes	No	Yes	No

As nouns, robe is a hypernym of abaya; that is, robe is a word with a broader meaning than abaya:

abaya: (Arabic) a loose black robe from head to toe; traditionally worn by Muslim women
robe: any loose flowing garment

abaya (noun)	robe (noun)
(Arabic) a loose black robe from head to toe; traditionally worn by Muslim women	any loose flowing garment
	outerwear consisting of a long flowing garment used for official or ceremonial occasions

abaya (verb)	robe (verb)
	clothe formally; especially in ecclesiastical robes
	cover as if with clothing