require vs veto

require is not a noun while veto is a noun.

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

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

Other hyponyms of require include burden, charge, saddle, requisition, disallow, forbid, interdict, nix, prohibit, proscribe.

require (noun)	veto (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)

require (verb)	veto (verb)
make someone do something	command against
consider obligatory; request and expect	vote against; refuse to endorse; refuse to assent
have need of
require as useful, just, or proper