perish vs exit

perish is not a noun while exit is a noun.

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

As verbs, perish and exit are synonyms defined as:

perish and exit: pass from physical life and lose all bodily attributes and functions necessary to sustain life

perish (noun)	exit (noun)
	the act of going out
	an opening that permits escape or release
	euphemistic expressions for death

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