frock vs garment

frock and garment both are nouns.

Word	Noun	Adjective	Verb	Adverb
frock	Yes	No	Yes	No
garment	Yes	No	Yes	No

As verbs, garment is a hypernym of frock; that is, garment is a word with a broader meaning than frock:

Other hypernyms of frock include apparel, clothe, dress, enclothe, fit out, garb, habilitate, raiment, tog.

frock (noun)	garment (noun)
a one-piece garment for a woman; has skirt and bodice	an article of clothing
a habit worn by clerics
a long, loose outer garment

frock (verb)	garment (verb)
put a frock on	provide with clothes or put clothes on