snuff it vs pip out

snuff it and pip out both are verbs.

Word	Noun	Adjective	Verb	Adverb
snuff it	No	No	Yes	No
pip out	No	No	Yes	No

As verbs, pip out is a hyponym of snuff it; that is, pip out 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
pip out: be killed or die

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

snuff it (verb)	pip out (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	be killed or die