justificatory vs defensive

justificatory is not a noun while defensive is a noun.

Word	Noun	Adjective	Verb	Adverb
justificatory	No	Yes	No	No
defensive	Yes	Yes	No	No

As adjectives, justificatory and defensive are synonyms defined as:

justificatory and defensive: attempting to justify or defend in speech or writing

Other synonyms of justificatory include justificative.

justificatory (noun)	defensive (noun)
	an attitude of defensiveness

justificatory (adjective)	defensive (adjective)
attempting to justify or defend in speech or writing	intended or appropriate for defending against or deterring aggression or attack
providing justification	attempting to justify or defend in speech or writing