plume vs congratulate

plume is a noun but congratulate is not a noun.

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

As verbs, plume and congratulate are synonyms defined as:

Other synonyms of plume include pride.

plume (noun)	congratulate (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

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