一元[ichigen] unitary
一元化[ichigenka] unification
一元的[ichigenteki] monistic
一元論[ichigenron] monism
一次元[ichijigen] one dimensional

一新紀元[isshinkigen] new era
隠元[ingen] beans
隠元豆[ingenmame] common bean (Phaseolus vulgaris)
家元[iemoto] head of a school (of music, dance)
火の元[hinomoto] origin of fire

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

吉凶[kikkyou] sunshine and shadow
凶音[kyouin] bad news
凶荒[kyoukou] poor crops
凶歳[kyousai] poor crop year
凶作[kyousaku] bad harvest

凶事[kyouji] calamity
凶宅[kyoutaku] unlucky house
凶兆[kyouchou] evil omen
凶党[kyoutou] gang