corroborate vs confirm

corroborate and confirm both are verbs.

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

As verbs, corroborate and confirm are synonyms defined as:

corroborate and confirm: establish or strengthen as with new evidence or facts

Other synonyms of corroborate include affirm, substantiate, support, sustain.

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

Other hypernyms of corroborate include reassert.

corroborate (verb)	confirm (verb)
establish or strengthen as with new evidence or facts	make more firm
give evidence for	establish or strengthen as with new evidence or facts
support with evidence or authority or make more certain or confirm	strengthen or make more firm
	administer the rite of confirmation to
	support a person for a position