approve vs confirm

approve and confirm both are verbs.

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

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

Other hyponyms of approve include sanctify, sanction, visa, back, endorse, indorse, plump for, plunk for, support, greenlight.

approve (verb)	confirm (verb)
judge to be right or commendable; think well of	make more firm
give sanction to	establish or strengthen as with new evidence or facts
	strengthen or make more firm
	administer the rite of confirmation to
	support a person for a position