moderation vs mitigation

moderation and mitigation both are nouns.

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

As nouns, moderation and mitigation are synonyms defined as:

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

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