validate vs corroborate

validate and corroborate both are verbs.

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

As verbs, corroborate is a hypernym of validate; that is, corroborate is a word with a broader meaning than validate:

Other hypernyms of validate include affirm, confirm, substantiate, support, sustain.

As verbs, validate and corroborate are synonyms defined as:

validate (verb)	corroborate (verb)
make valid or confirm the validity of	establish or strengthen as with new evidence or facts
prove valid; show or confirm the validity of something	give evidence for
give evidence for	support with evidence or authority or make more certain or confirm
declare or make legally valid