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)

鵜飼[ugai] cormorant fishing
鵜呑み[unomi] swallowing (food, story)
鵜匠[ushou] cormorant fisherman
ガラパゴス小羽鵜[garapagosukobaneu] flightless cormorant
小羽鵜[kobaneu] short-winged cormorant

鵜松明樺[udaikanba] monarch birch (Betula maximowicziana)
海鵜[umiu] Japanese cormorant (Phalacrocorax capillatus)
河鵜[kawau] great cormorant (Phalacrocorax carbo)
鵜の目鷹の目[unometakanome] eyes of a predator