Synonyms of quash

1 Syllable
squash, quelch, beat, shush, crush, nig, squish, quench, trash, quell, scrunch
2 Syllables
gentling, annul, squeezing, squeezed, gentled, dumbing, clammed, subduing, rebut, scotching, shushes, shushing, quenched, quenching, annuls, squashes, smother, quenches, smothers, squashed, destroy, scotched, suppress, repress, subdue, squashing, shushed, clamming, renig, cancels, rescind, quieten, cancel, x-out
3 Syllables
circumduct, disannul, torpedoing, smothering, refuting, renigging, cancelled, revoke, vacate, rebutting, quietened, overset, vitiating, silencing, refuted, disconfirm, revoking, negate, annulling, nullifying, refute, nullified, vitiated, vitiate, canceled, repressing, countercheck, torpedoed, outvoting, suppressed, repressed, extinguish, suppressing, rescinded, negating, rebutted, canceling, overthrow, renigged, outvote, suppresses, vacated, represses, cancelling, revoked, negated, vacating, quietening, annulled, rescinding, abolish, nullify
4 Syllables
disestablish, overrode, override, backwatered, abrogate, abrogating, disconfirming, abolished, counterorder, overridden, abrogated, overcome, extirpate, abolishing, overruled, overruling, oversetting, overrule, abolishes
5 Syllables
disestablished, disestablishing, annihilate, invalidating, invalidated, annihilating, annihilated, invalidate