poison vs debase

poison is a noun but debase is not a noun.

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

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

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

poison (noun)	debase (noun)
anything that harms or destroys
any substance that causes injury or illness or death of a living organism

poison (verb)	debase (verb)
administer poison to	lower in value by increasing the base-metal content
add poison to	corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones
kill with poison	corrupt morally or by intemperance or sensuality
kill by its poison
spoil as if by poison