garb vs article of clothing

garb and article of clothing both are nouns.

Word	Noun	Adjective	Verb	Adverb
garb	Yes	No	Yes	No
article of clothing	Yes	No	No	No

As nouns, article of clothing is a hypernym of garb; that is, article of clothing is a word with a broader meaning than garb:

Other hypernyms of garb include clothing, habiliment, vesture, wear, wearable.

garb (noun)	article of clothing (noun)
clothing of a distinctive style or for a particular occasion	a covering designed to be worn on a person's body

garb (verb)	article of clothing (verb)
provide with clothes or put clothes on