adhere vs adherent

adhere is not a noun while adherent is a noun.

Word	Noun	Adjective	Verb	Adverb
adhere	No	No	Yes	No
adherent	Yes	Yes	No	No

adhere (noun)	adherent (noun)
	someone who believes and helps to spread the doctrine of another

adhere (adjective)	adherent (adjective)
	sticking fast

adhere (verb)	adherent (verb)
follow through or carry out a plan without deviation
stick to firmly
come or be in close contact with; stick or hold together and resist separation
be compatible or in accordance with
be loyal to
be a devoted follower or supporter