veto vs nix

veto and nix both are nouns.

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

As verbs, veto and nix are synonyms defined as:

Other synonyms of veto include disallow, forbid, interdict, prohibit, proscribe.

veto (noun)	nix (noun)
a vote that blocks a decision	a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential
the power or right to prohibit or reject a proposed or intended act (especially the power of a chief executive to reject a bill passed by the legislature)

veto (verb)	nix (verb)
command against	command against
vote against; refuse to endorse; refuse to assent