overgarment vs aba

overgarment and aba both are nouns.

Word	Noun	Adjective	Verb	Adverb
overgarment	Yes	No	No	No
aba	Yes	No	No	No

As nouns, aba is a hyponym of overgarment; that is, aba is a word with a more specific, narrower meaning than overgarment:

Other hyponyms of overgarment include cloak, coat, frock, izar, snowsuit.

overgarment (noun)	aba (noun)
a garment worn over other garments	a fabric woven from goat hair and camel hair
	a loose sleeveless outer garment made from aba cloth; worn by Arabs