fit out vs frock

fit out is not a noun while frock is a noun.

Word	Noun	Adjective	Verb	Adverb
fit out	No	No	Yes	No
frock	Yes	No	Yes	No

As verbs, frock is a hyponym of fit out; that is, frock is a word with a more specific, narrower meaning than fit out:

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

fit out (verb)	frock (verb)
provide with clothes or put clothes on	put a frock on
provide with (something) usually for a specific purpose