イスラム原理主義[isuramugenrishugi] Islamic fundamentalism
海原[unabara] ocean
関数原型[kansuugenkei] function prototype
基本原理[kihongenri] fundamental idea

機雷原[kiraigen] minefield
規格原案[kikakugenan] standards draft
桑原桑原[kuwabarakuwabara] charm to ward off lightning and misfortune
権原[kengen] origin of rights

英吉利[igirisu] Great Britain
吉利支丹[kirishitan] early Japanese Christianity (from the later Muromachi period)
成吉思汗[jingisukan] Japanese mutton and vegetable dish
吉凶[kikkyou] sunshine and shadow
吉祥[kisshou] lucky omen

吉徴[kicchou] lucky omen
吉報[kippou] good news
吉備団子[kibidango] sweet dumpling made with mochi flour and (sometimes) millet flour (famous product of Okayama)
吉丁虫[tamamushi] jewel beetle
石部金吉[ishibekinkichi] man of incorruptible character

金糸雀[kinshijaku] canary (esp. the island canary, Serinus canaria)
燕雀[enjaku] small birds
黄雀[koujaku] tree sparrow (Passer montanus)
欣喜雀躍[kinkijakuyaku] jump up for joy
孔雀[kujaku] peafowl (inc. the male peacock, female peahen, and young peachick)

孔雀石[kujakuseki] malachite
孔雀妙王[kujakumyouou] Mayuri Vidya-raja
四十雀[shijuukara] great tit (Parus major)
雀の涙[suzumenonamida] drop in the bucket