lenitive vs mitigatory

lenitive is a noun but mitigatory is not a noun.

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

As adjectives, lenitive and mitigatory are synonyms defined as:

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

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

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

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