exit vs stifle

exit and stifle both are nouns.

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

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

exit: pass from physical life and lose all bodily attributes and functions necessary to sustain life
stifle: be asphyxiated; die from lack of oxygen

Other hyponyms of exit include abort, asphyxiate, suffocate, buy it, pip out, drown, predecease, famish, starve, fall, succumb, yield.

exit (noun)	stifle (noun)
the act of going out	joint between the femur and tibia in a quadruped; corresponds to the human knee
an opening that permits escape or release
euphemistic expressions for death

exit (verb)	stifle (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	suppress or constrain so as to lessen in intensity
lose the lead	be asphyxiated; die from lack of oxygen
move out of or depart from	suppress in order to conceal or hide
	impair the respiration of or obstruct the air passage of