zero vs correct

zero is a noun but correct is not a noun.

Word	Noun	Adjective	Verb	Adverb
zero	Yes	Yes	Yes	No
correct	No	Yes	Yes	No

As verbs, correct is a hypernym of zero; that is, correct is a word with a broader meaning than zero:

zero: adjust (as by firing under test conditions) the zero of (a gun)
correct: alter or regulate so as to achieve accuracy or conform to a standard

Other hypernyms of zero include adjust, set.

As verbs, correct is a hypernym of zero; that is, correct is a word with a broader meaning than zero:

zero: adjust (an instrument or device) to zero value
correct: alter or regulate so as to achieve accuracy or conform to a standard

Other hypernyms of zero include adjust, set.

zero (noun)	correct (noun)
the sight setting that will cause a projectile to hit the center of the target with no wind blowing
the point on a scale from which positive or negative numerical quantities can be measured
a mathematical element that when added to another number yields the same number
a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

zero (adjective)	correct (adjective)
of or relating to the null set (a set with no members)	free from error; especially conforming to fact or truth
indicating the absence of any or all units under consideration	correct in opinion or judgment
having no measurable or otherwise determinable value	socially right or correct
indicating an initial point or origin	in accord with accepted standards of usage or procedure

zero (verb)	correct (verb)
adjust (as by firing under test conditions) the zero of (a gun)	treat a defect
adjust (an instrument or device) to zero value	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