兇悍[kyoukan] heinousness
元兇[gankyou] ringleader
兇悪[kyouaku] atrocious
兇漢[kyoukan] villain
兇器[kyouki] dangerous weapon

兇具[kyougu] dangerous weapon
兇行[kyoukou] violence
兇手[kyoushu] assassin
兇状[kyoujou] crime

に就て[nitsuite] concerning
に就き[nitsuki] because of
去就[kyoshuu] committing one's self
就いては[tsuiteha] in line with this
就きましては[tsukimashiteha] in line with this

就く[tsuku] to ascend (the throne)
就ける[tsukeru] to install (a king, emperor, etc.)
就学[shuugaku] entering school
就学義務[shuugakugimu] compulsory school attendance
就学児童[shuugakujidou] school child