vaporize vs decrease

vaporize is not a noun while decrease is a noun.

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

As verbs, decrease is a hypernym of vaporize; that is, decrease is a word with a broader meaning than vaporize:

Other hypernyms of vaporize include diminish, fall, lessen.

vaporize (noun)	decrease (noun)
	the act of decreasing or reducing something
	the amount by which something decreases
	a change downward
	a process of becoming smaller or shorter

vaporize (verb)	decrease (verb)
turn into gas	decrease in size, extent, or range
lose or cause to lose liquid by vaporization leaving a more concentrated residue	make become smaller
decrease rapidly and disappear
kill with or as if with a burst of gunfire or electric current or as if by shooting