expiry vs exit

expiry and exit both are nouns.

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

As nouns, exit is a hyponym of expiry; that is, exit is a word with a more specific, narrower meaning than expiry:

expiry (noun)	exit (noun)
the event of dying or departure from life	the act of going out
a coming to an end of a contract period	an opening that permits escape or release
	euphemistic expressions for death

expiry (verb)	exit (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