fit out vs dress up

fit out and dress up both are verbs.

Word	Noun	Adjective	Verb	Adverb
fit out	No	No	Yes	No
dress up	No	No	Yes	No

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

fit out (verb)	dress up (verb)
provide with clothes or put clothes on	put on special clothes to appear particularly appealing and attractive
provide with (something) usually for a specific purpose	dress in a costume
	dress in a certain manner
	make something appear superficially attractive
	put a caparison on