Nullification :: Nullification (n.) The act of nullifying; a rendering void and of no effect, or of no legal effect..
Nullifidian :: Nullifidian (a.) Of no faith; also, not trusting to faith for salvation; -- opposed to solifidian..
Nullifier :: Nullifier (n.) One who nullifies or makes void; one who maintains the right to nullify a contract by one of the parties.