奸計[kankei] trick
佞奸[neikan] treacherous
奸物[kanbutsu] cunning man
奸悪[kanaku] wickedness
奸策[kansaku] shrewd (dirty) trick

奸知[kanchi] cunning
奸佞邪智[kanneijachi] wiles and cunning
奸黠[kankatsu] cunning
君側の奸[kunsokunokan] someone who curries favor with their master while secretly plotting against him

姦しい[kashimashii] noisy
姦淫[kanin] adultery
姦人[kanjin] villain
姦通[kantsuu] adultery
姦夫[kanpu] adulterer

姦婦[kanpu] adulteress
強姦[goukan] violation
近親相姦[kinshinsoukan] incest
獣姦[juukan] bestiality
女三人寄れば姦しい[onnasanninyorebakashimashii] wherever women gather it is noisy

テロ対策[terotaisaku] anti-terrorist
マーケティング策略[maaketingusakuryaku] marketing tactic
リストラ策[risutorasaku] restructuring scheme
悪策[akusaku] poor policy
安全対策[anzentaisaku] safety measure

一策[issaku] idea
下策[gesaku] poor plan
劃策[kakusaku] plan
解決策[kaiketsusaku] solution
奇策[kisaku] clever scheme