ratify vs endorse

ratify and endorse both are verbs.

Word	Noun	Adjective	Verb	Adverb
ratify	No	No	Yes	No
endorse	No	No	Yes	No

ratify (verb)	endorse (verb)
approve and express assent, responsibility, or obligation	sign as evidence of legal transfer
	be behind; approve of
	guarantee as meeting a certain standard
	give support or one's approval to