alleviatory vs lenitive

alleviatory is not a noun while lenitive is a noun.

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

As adjectives, alleviatory and lenitive are synonyms defined as:

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

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

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

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