deflation vs decrease

deflation and decrease both are nouns.

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

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

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

deflation (noun)	decrease (noun)
the act of letting the air out of something	the act of decreasing or reducing something
a contraction of economic activity resulting in a decline of prices	the amount by which something decreases
(geology) the erosion of soil as a consequence of sand and dust and loose rocks being removed by the wind	a change downward
	a process of becoming smaller or shorter

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