congratulate vs plume

congratulate is not a noun while plume is a noun.

Word	Noun	Adjective	Verb	Adverb
congratulate	No	No	Yes	No
plume	Yes	No	Yes	No

As verbs, congratulate and plume are synonyms defined as:

Other synonyms of congratulate include pride.

congratulate (noun)	plume (noun)
	the light horny waterproof structure forming the external covering of birds
	a feather or cluster of feathers worn as an ornament
	anything that resembles a feather in shape or lightness

congratulate (verb)	plume (verb)
say something to someone that expresses praise	dress or groom with elaborate care
express congratulations	form a plume
pride or congratulate (oneself) for an achievement	clean with one's bill
be proud of	deck with a plume
	be proud of
	rip off; ask an unreasonable price