devaluate vs decrease

devaluate is not a noun while decrease is a noun.

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

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

Other hypernyms of devaluate include diminish, fall, lessen.

devaluate (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

devaluate (verb)	decrease (verb)
lose in value	decrease in size, extent, or range
remove the value from; deprive of its value	make become smaller