exit vs departure

exit and departure both are nouns.

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

As nouns, departure is a hypernym of exit; that is, departure is a word with a broader meaning than exit:

Other hypernyms of exit include going, going away, leaving.

As nouns, exit and departure are synonyms defined as:

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

exit (noun)	departure (noun)
the act of going out	the act of departing
an opening that permits escape or release	euphemistic expressions for death
euphemistic expressions for death	a variation that deviates from the standard or norm

exit (verb)	departure (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life
lose the lead
move out of or depart from