involve vs involution

involve is not a noun while involution is a noun.

Word	Noun	Adjective	Verb	Adverb
involve	No	No	Yes	No
involution	Yes	No	No	No

involve (noun)	involution (noun)
	the action of enfolding something
	the process of raising a quantity to some assigned power
	the act of sharing in the activities of a group
	marked by elaborately complex detail
	a long and intricate and complicated grammatical construction
	reduction in size of an organ or part (as in the return of the uterus to normal size after childbirth)

involve (verb)	involution (verb)
make complex or intricate or complicated
occupy or engage the interest of
have as a necessary feature
connect closely and often incriminatingly
contain as a part
engage as a participant
require as useful, just, or proper