exit vs go bad

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

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

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

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