moderation vs decrease

moderation and decrease both are nouns.

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

As nouns, decrease is a hypernym of moderation; that is, decrease is a word with a broader meaning than moderation:

Other hypernyms of moderation include diminution, reduction, step-down.

moderation (noun)	decrease (noun)
the action of lessening in severity or intensity	the act of decreasing or reducing something
quality of being moderate and avoiding extremes	the amount by which something decreases
the trait of avoiding excesses	a change downward
a change for the better	a process of becoming smaller or shorter

moderation (verb)	decrease (verb)
	decrease in size, extent, or range
	make become smaller