adhere vs adhesion

adhere is not a noun while adhesion is a noun.

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

adhere (noun)	adhesion (noun)
	faithful support for a cause or political party or religion
	the property of sticking together (as of glue and wood) or the joining of surfaces of different composition
	a fibrous band of scar tissue that binds together normally separate anatomical structures
	abnormal union of bodily tissues; most common in the abdomen

adhere (verb)	adhesion (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