veto vs voting

veto and voting both are nouns.

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

As nouns, voting is a hypernym of veto; that is, voting is a word with a broader meaning than veto:

veto: a vote that blocks a decision
voting: a choice that is made by counting the number of people in favor of each alternative

Other hypernyms of veto include ballot, balloting, vote.

veto (noun)	voting (noun)
a vote that blocks a decision	a choice that is made by counting the number of people in favor of each alternative
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)	voting (verb)
command against
vote against; refuse to endorse; refuse to assent