alleviation vs assuagement

alleviation and assuagement both are nouns.

Word	Noun	Adjective	Verb	Adverb
alleviation	Yes	No	No	No
assuagement	Yes	No	No	No

As nouns, alleviation and assuagement are synonyms defined as:

alleviation and assuagement: the feeling that comes when something burdensome is removed or reduced

Other synonyms of alleviation include relief.

alleviation (noun)	assuagement (noun)
the act of reducing something unpleasant (as pain or annoyance)	the feeling that comes when something burdensome is removed or reduced
the feeling that comes when something burdensome is removed or reduced