fit out vs furnish

fit out and furnish both are verbs.

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

As verbs, furnish is a hypernym of fit out; that is, furnish is a word with a broader meaning than fit out:

Other hypernyms of fit out include offer, provide, render, supply.

fit out (verb)	furnish (verb)
provide with clothes or put clothes on	give something useful or necessary to
provide with (something) usually for a specific purpose	provide or equip with furniture