predecease vs exit

predecease is not a noun while exit is a noun.

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

As verbs, exit is a hypernym of predecease; that is, exit is a word with a broader meaning than predecease:

predecease: die before; die earlier than
exit: pass from physical life and lose all bodily attributes and functions necessary to sustain life

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

predecease (verb)	exit (verb)
die before; die earlier than	pass from physical life and lose all bodily attributes and functions necessary to sustain life
	lose the lead
	move out of or depart from