veto vs require

veto is a noun but require is not a noun.

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

As verbs, require is a hypernym of veto; that is, require is a word with a broader meaning than veto:

Other hypernyms of veto include command.

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