adhere vs stand by

adhere and stand by both are verbs.

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

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

Other synonyms of adhere include stick, stick by.

adhere (verb)	stand by (verb)
follow through or carry out a plan without deviation	not act or do anything
stick to firmly	be loyal to
come or be in close contact with; stick or hold together and resist separation	be available or ready for a certain function or service
be compatible or in accordance with
be loyal to
be a devoted follower or supporter