Synonyms of overturning

1 Syllable
spill, roll, void, down
2 Syllables
upend, annul, flipflop, tumble, topple, rescind, upturn, upset, repeal, invert
3 Syllables
prostrate, reverse, voidance, capsize, about-face, countermand, nullify
4 Syllables
retroversion, abolition, counterpole
5 Syllables
nullification, invalidate, overbalance