adhere vs stick by

adhere and stick by both are verbs.

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

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

Other synonyms of adhere include stand by, stick.

adhere (verb)	stick by (verb)
follow through or carry out a plan without deviation	be loyal to
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