poison vs pervert

poison and pervert both are nouns.

Word	Noun	Adjective	Verb	Adverb
poison	Yes	No	Yes	No
pervert	Yes	No	Yes	No

As verbs, pervert is a hypernym of poison; that is, pervert is a word with a broader meaning than poison:

Other hypernyms of poison include corrupt, debase, debauch, demoralise, demoralize, deprave, misdirect, profane, subvert, vitiate.

poison (noun)	pervert (noun)
anything that harms or destroys	a person whose behavior deviates from what is acceptable especially in sexual behavior
any substance that causes injury or illness or death of a living organism

poison (verb)	pervert (verb)
administer poison to	change the inherent purpose or function of something
add poison to	practice sophistry; change the meaning of or be vague about in order to mislead or deceive
kill with poison	corrupt morally or by intemperance or sensuality
kill by its poison
spoil as if by poison