justify vs justification

justify is not a noun while justification is a noun.

Word	Noun	Adjective	Verb	Adverb
justify	No	No	Yes	No
justification	Yes	No	No	No

justify (noun)	justification (noun)
	the act of defending or explaining or making excuses for by reasoning
	something (such as a fact or circumstance) that shows an action to be reasonable or necessary
	a statement in explanation of some action or belief

justify (verb)	justification (verb)
adjust the spaces between words
show to be right by providing justification or proof
(used of God) declare innocent; absolve from the penalty of sin