fit out vs apparel

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

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

As verbs, fit out and apparel are synonyms defined as:

Other synonyms of fit out include clothe, dress, enclothe, garb, garment, habilitate, raiment, tog.

fit out (noun)	apparel (noun)
	clothing in general

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