plume vs keratin

plume and keratin both are nouns.

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

plume (noun)	keratin (noun)
the light horny waterproof structure forming the external covering of birds	a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves
a feather or cluster of feathers worn as an ornament
anything that resembles a feather in shape or lightness

plume (verb)	keratin (verb)
dress or groom with elaborate care
form a plume
clean with one's bill
deck with a plume
be proud of
rip off; ask an unreasonable price