veto vs pocket veto

veto and pocket veto both are nouns.

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

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

veto (noun)	pocket veto (noun)
a vote that blocks a decision	indirect veto of legislation by refusing to sign it
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)	pocket veto (verb)
command against
vote against; refuse to endorse; refuse to assent