validate vs ratify

validate and ratify both are verbs.

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

As verbs, ratify is a hyponym of validate; that is, ratify is a word with a more specific, narrower meaning than validate:

Other hyponyms of validate include sign, co-sign, cosign, probate.

validate (verb)	ratify (verb)
make valid or confirm the validity of	approve and express assent, responsibility, or obligation
prove valid; show or confirm the validity of something
give evidence for
declare or make legally valid