reassert vs corroborate

reassert and corroborate both are verbs.

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

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

Other hyponyms of reassert include maintain, uphold, verify, validate, reconfirm.

reassert (verb)	corroborate (verb)
strengthen or make more firm	establish or strengthen as with new evidence or facts
	give evidence for
	support with evidence or authority or make more certain or confirm