assuagement vs alleviation

assuagement and alleviation both are nouns.

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

As nouns, assuagement and alleviation are synonyms defined as:

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

Other synonyms of assuagement include relief.

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