dematerialize vs disappear

dematerialize and disappear both are verbs.

Word	Noun	Adjective	Verb	Adverb
dematerialize	No	No	Yes	No
disappear	No	No	Yes	No

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

Other hypernyms of dematerialize include go away, vanish.

dematerialize (verb)	disappear (verb)
become immaterial; disappear	get lost, as without warning or explanation
	cease to exist
	become less intense and fade away gradually
	become invisible or unnoticeable