blank, nada, naught, nil, nobody, nothing, nought, nullity, squat, zilch, and zip.
cipher, lightweight, menial, nix, nonentity, nullity, parvenu, squirt, upstart, wimp, zero, zilch, and zip.
annihilation, aught, bagatelle, blank, cipher, crumb, diddly, extinction, naught, nihility, nix, nonbeing, nonentity, nonexistence, nothingness, nought, nullity, obliteration, oblivion, scratch, shutout, trifle, void, wind, zero, zilch, and zip.