indorse vs certify

indorse and certify both are verbs.

Word	Noun	Adjective	Verb	Adverb
indorse	No	No	Yes	No
certify	No	No	Yes	No

As verbs, indorse and certify are synonyms defined as:

Other synonyms of indorse include endorse.

indorse (verb)	certify (verb)
sign as evidence of legal transfer	provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes
be behind; approve of	declare legally insane
guarantee as meeting a certain standard	guarantee payment on; of checks
give support or one's approval to	guarantee as meeting a certain standard
	authorize officially