easing vs reduction

easing and reduction both are nouns.

Word	Noun	Adjective	Verb	Adverb
easing	Yes	No	No	No
reduction	Yes	No	No	No

As nouns, reduction is a hypernym of easing; that is, reduction is a word with a broader meaning than easing:

Other hypernyms of easing include decrease, diminution, step-down.

easing (noun)	reduction (noun)
the act of reducing something unpleasant (as pain or annoyance)	the act of decreasing or reducing something
a change for the better	the act of reducing complexity
	any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent