snuff it vs asphyxiate

snuff it and asphyxiate both are verbs.

Word	Noun	Adjective	Verb	Adverb
snuff it	No	No	Yes	No
asphyxiate	No	No	Yes	No

As verbs, asphyxiate is a hyponym of snuff it; that is, asphyxiate is a word with a more specific, narrower meaning than snuff it:

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

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

snuff it (verb)	asphyxiate (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	be asphyxiated; die from lack of oxygen
	deprive of oxygen and prevent from breathing
	impair the respiration of or obstruct the air passage of