go bad vs exit

go bad is not a noun while exit is a noun.

Word	Noun	Adjective	Verb	Adverb
go bad	No	No	Yes	No
exit	Yes	No	Yes	No

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

go bad (verb)	exit (verb)
become unfit for consumption or use	pass from physical life and lose all bodily attributes and functions necessary to sustain life
stop operating or functioning	lose the lead
	move out of or depart from