alleviator vs alleviant

alleviator and alleviant both are nouns.

Word	Noun	Adjective	Verb	Adverb
alleviator	Yes	No	No	No
alleviant	Yes	No	No	No

As nouns, alleviator and alleviant are synonyms defined as:

Other synonyms of alleviator include palliative.

alleviator (noun)	alleviant (noun)
remedy that alleviates pain without curing	remedy that alleviates pain without curing
a therapist who makes suffering more endurable