fit out vs garment

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

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

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

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

fit out (noun)	garment (noun)
	an article of clothing

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