disappearing vs going

disappearing and going both are nouns.

Word	Noun	Adjective	Verb	Adverb
disappearing	Yes	No	No	No
going	Yes	Yes	No	No

As nouns, going is a hypernym of disappearing; that is, going is a word with a broader meaning than disappearing:

Other hypernyms of disappearing include departure, going away, leaving.

disappearing (noun)	going (noun)
the act of leaving secretly or without explanation	advancing toward a goal
	the act of departing
	euphemistic expressions for death

disappearing (adjective)	going (adjective)
	in full operation