adhere vs stick to

adhere and stick to both are verbs.

Word	Noun	Adjective	Verb	Adverb
adhere	No	No	Yes	No
stick to	No	No	Yes	No

As verbs, adhere and stick to are synonyms defined as:

Other synonyms of adhere include bind, bond, hold fast, stick.

adhere (verb)	stick to (verb)
follow through or carry out a plan without deviation	keep to
stick to firmly	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