mitigatory vs lenitive

mitigatory is not a noun while lenitive is a noun.

Word	Noun	Adjective	Verb	Adverb
mitigatory	No	Yes	No	No
lenitive	Yes	Yes	No	No

As adjectives, mitigatory and lenitive are synonyms defined as:

mitigatory and lenitive: moderating pain or sorrow by making it easier to bear

Other synonyms of mitigatory include alleviative, alleviatory, mitigative, palliative.

mitigatory (noun)	lenitive (noun)
	remedy that eases pain and discomfort

mitigatory (adjective)	lenitive (adjective)
moderating pain or sorrow by making it easier to bear	moderating pain or sorrow by making it easier to bear