attire vs preen

attire is a noun but preen is not a noun.

Word	Noun	Adjective	Verb	Adverb
attire	Yes	No	Yes	No
preen	No	No	Yes	No

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

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

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

attire (noun)	preen (noun)
clothing of a distinctive style or for a particular occasion

attire (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