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

ライン川[raingawa] (river) Rhine
安倍川餅[abekawamochi] rice cakes (mochi) with Kinako
川床[kawadoko] riverbed
河川[kasen] rivers
江川る[egawaru] to (try to) act like a big-shot

香川県[kagawaken] Kagawa prefecture (Shikoku)
三途の川[sanzunokawa] Sanzu River (Buddhist equivalent of the River Styx)
山川[sansen] mountains and rivers
四川[shisen] Sichuan (China)
小川[ogawa] streamlet

河内[hanoi] Hanoi
運河[unga] canal
応急渡河[oukyuutoka] hasty crossing
黄河[kouga] Yellow river (in China)
河港[kakou] river port

河鹿[kajika] kajika frog (Buergeria buergeri)
河床[kashou] riverbed
河水[kasui] river water
河川[kasen] rivers
河童[kappa] kappa (mythical water-dwelling creatures)

真鶸[mahiwa] Eurasian siskin (species of songbird, Carduelis spinus)
松木鶸[matsunokihiwa] pine siskin (Carduelis pinus)
青河原鶸[aokawarahiwa] European greenfinch (Carduelis chloris)
川原鶸[kawarahiwa] Oriental greenfinch (Carduelis sinica)
黄金鶸[ougonhiwa] American goldfinch (Carduelis tristis)

五色鶸[goshikihiwa] European goldfinch (Carduelis carduelis)
紅鶸[benihiwa] common redpoll (Carduelis flammea)
黄嘴鶸[kibashihiwa] twite (species of finch, Carduelis flavirostris)
胸赤鶸[muneakahiwa] Eurasian linnet (Carduelis cannabina)