departure vs going

departure and going both are nouns.

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

As nouns, departure and going are synonyms defined as:

Other synonyms of departure include going away, leaving.

As nouns, departure and going are synonyms defined as:

Other synonyms of departure include exit, expiration, loss, passing, release.

departure (noun)	going (noun)
the act of departing	advancing toward a goal
euphemistic expressions for death	the act of departing
a variation that deviates from the standard or norm	euphemistic expressions for death

departure (adjective)	going (adjective)
	in full operation