fancy up vs preen

fancy up and preen both are verbs.

Word	Noun	Adjective	Verb	Adverb
fancy up	No	No	Yes	No
preen	No	No	Yes	No

As verbs, preen is a hyponym of fancy up; that is, preen is a word with a more specific, narrower meaning than fancy up:

fancy up: put on special clothes to appear particularly appealing and attractive
preen: dress or groom with elaborate care

Other hyponyms of fancy up include dress, plume, primp, prank, tart up, enrobe, bedizen, dizen.

fancy up (verb)	preen (verb)
put on special clothes to appear particularly appealing and attractive	dress or groom with elaborate care
	pride or congratulate (oneself) for an achievement
	clean with one's bill