Nemesis is a term that has been used to describe a powerful force of retribution, often in the form of an ENEMY or RIVAL. The crossword solutions for this term include CURSE (5 letters), FATE (4 letters), ARCHENEMY (9 letters), RIVAL (5 letters), BANE (4 letters), FOE (3 letters), ENEMY (5 letters), RUIN (4 letters), AVENGER (7 letters), and mortal ENEMY (11 letters). These words all refer to a powerful force of retribution, often in the form of an ENEMY or RIVAL, that can bring about destruction or RUIN.