恩を仇で返す[onwoadadekaesu] to return evil for good
仇敵[kyuuteki] bitter enemy
仇討[adauchi] vengeance
仇同士[katakidoushi] mutual enemies

仇讎[kyuushuu] revenge
商売仇[shoubaigataki] business rival
復仇[fukkyuu] reprisal
仇名[adana] nickname

往復[oufuku] making a round trip
恢復[kaifuku] restoration
回復可能[kaifukukanou] recoverable
回復不可能[kaifukufukanou] non-recoverable
回復力[kaifukuryoku] resilience

経済回復[keizaikaifuku] economic recovery
経済復興[keizaifukkou] economic revitalization
克復[kokufuku] restoration
主権回復[shukenkaifuku] restoration of sovereignty
修復[shuufuku] restoration