alleviatory vs mitigatory

alleviatory and mitigatory both are adjectives.

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

As adjectives, alleviatory and mitigatory are synonyms defined as:

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

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

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