lenitive vs alleviatory

lenitive is a noun but alleviatory is not a noun.

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

As adjectives, lenitive and alleviatory are synonyms defined as:

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

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

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

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