mitigation vs moderation

mitigation and moderation both are nouns.

Word	Noun	Adjective	Verb	Adverb
mitigation	Yes	No	No	No
moderation	Yes	No	No	No

As nouns, mitigation and moderation are synonyms defined as:

mitigation and moderation: the action of lessening in severity or intensity

mitigation (noun)	moderation (noun)
to act in such a way as to cause an offense to seem less serious	the action of lessening in severity or intensity
the action of lessening in severity or intensity	quality of being moderate and avoiding extremes
a partial excuse to mitigate censure; an attempt to represent an offense as less serious than it appears by showing mitigating circumstances	the trait of avoiding excesses
	a change for the better