nix vs debar

nix is a noun but debar is not a noun.

Word	Noun	Adjective	Verb	Adverb
nix	Yes	No	Yes	No
debar	No	No	Yes	No

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

Other hyponyms of nix include ban, bar, exclude, enjoin, criminalise, criminalize, illegalise, illegalize, outlaw.

nix (noun)	debar (noun)
a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

nix (verb)	debar (verb)
command against	prevent from entering; keep out
	prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off
	bar temporarily; from school, office, etc.