die vs stifle

die and stifle both are nouns.

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

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

die: 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 die include abort, asphyxiate, suffocate, buy it, pip out, drown, predecease, famish, starve, fall, succumb, yield.

die (noun)	stifle (noun)
a small cube with 1 to 6 spots on the six faces; used in gambling to generate random numbers	joint between the femur and tibia in a quadruped; corresponds to the human knee
a device used for shaping metal
a cutting tool that is fitted into a diestock and used for cutting male (external) screw threads on screws or bolts or pipes or rods

die (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
disappear or come to an end	be asphyxiated; die from lack of oxygen
suffer spiritual death; be damned (in the religious sense)	suppress in order to conceal or hide
stop operating or functioning	impair the respiration of or obstruct the air passage of
lose sparkle or bouquet
to be on base at the end of an inning, of a player
cut or shape with a die
be brought to or as if to the point of death by an intense emotion such as embarrassment, amusement, or shame
languish as with love or desire
feel indifferent towards
suffer or face the pain of death