exfoliation vs exfoliate

exfoliation is a noun but exfoliate is not a noun.

Word	Noun	Adjective	Verb	Adverb
exfoliation	Yes	No	No	No
exfoliate	No	No	Yes	No

exfoliation (noun)	exfoliate (noun)
a thin flake of dead epidermis shed from the surface of the skin
the peeling off in flakes or scales of bark or dead skin

exfoliation (verb)	exfoliate (verb)
	grow by producing or unfolding leaves
	cast off in scales, laminae, or splinters
	remove the surface, in scales or laminae
	spread by opening the leaves of
	come off in a very thin piece