veto vs forbid

veto is a noun but forbid is not a noun.

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

As verbs, veto and forbid are synonyms defined as:

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

veto (noun)	forbid (noun)
a vote that blocks a decision
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)	forbid (verb)
command against	command against
vote against; refuse to endorse; refuse to assent	keep from happening or arising; make impossible