moderately vs fairly

moderately and fairly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
moderately	No	No	No	Yes
fairly	No	No	No	Yes

As adverbs, moderately and fairly are synonyms defined as:

Other synonyms of moderately include jolly, middling, passably, pretty, reasonably, somewhat.

moderately (adverb)	fairly (adverb)
to certain extent or degree	without favoring one party, in a fair evenhanded manner
with moderation; in a moderate manner	to certain extent or degree
	in conformity with the rules or laws and without fraud or cheating