dematerialize vs go away

dematerialize and go away both are verbs.

Word	Noun	Adjective	Verb	Adverb
dematerialize	No	No	Yes	No
go away	No	No	Yes	No

As verbs, go away is a hypernym of dematerialize; that is, go away is a word with a broader meaning than dematerialize:

Other hypernyms of dematerialize include disappear, vanish.

dematerialize (verb)	go away (verb)
become immaterial; disappear	get lost, as without warning or explanation
	go away from a place
	move away from a place into another direction
	become invisible or unnoticeable