easing vs decrease

easing and decrease both are nouns.

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

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

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

easing (noun)	decrease (noun)
the act of reducing something unpleasant (as pain or annoyance)	the act of decreasing or reducing something
a change for the better	the amount by which something decreases
	a change downward
	a process of becoming smaller or shorter

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