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

元寇[genkou] the Mongol Invasion
倭寇[wakou] Japanese pirates (of the Middle Ages)
入寇[nyuukou] invasion

司寇[shikou] Minister of Justice (Zhou-dynasty China)
寇する[atasuru] to harm
寇する[kousuru] to invade

恩讐[onshuu] love and hate
復讐[fukushuu] revenge
復讐の念[fukushuunonen] desire for vengeance
復讐劇[fukushuugeki] revenge tragedy

復讐心[fukushuushin] desire for revenge
復讐戦[fukushuusen] return match
君父の讐は倶に天を戴かず[kunpunoadahatomonitenwoitadakazu] not wanting to live in the same world as one's father's or lord's enemies
復讐者[fukushuusha] avenger

烏賊[ika] cuttlefish
海賊[kaizoku] pirate
海賊の髑髏[kaizokunodokuro] skull and crossbones (pirate flag)
巨賊[kyozoku] big-time bandit
国賊[kokuzoku] traitor

山賊[sanzoku] bandit
障泥烏賊[aoriika] bigfin reef squid
鼠賊[sozoku] petty thief
賊軍[zokugun] rebel army
賊名[zokumei] (the stigma of) the name of "rebel"