letter-perfect vs correct

letter-perfect and correct both are adjectives.

Word	Noun	Adjective	Verb	Adverb
letter-perfect	No	Yes	No	No
correct	No	Yes	Yes	No

letter-perfect (adjective)	correct (adjective)
correct to the last detail; especially being in or following the exact words	free from error; especially conforming to fact or truth
	correct in opinion or judgment
	socially right or correct
	in accord with accepted standards of usage or procedure

letter-perfect (verb)	correct (verb)
	treat a defect
	make right or correct
	alter or regulate so as to achieve accuracy or conform to a standard
	censure severely
	fall in value
	punish in order to gain control or enforce obedience
	make reparations or amends for
	adjust for