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

蝲蛄[zarigani] crayfish (esp. Japanese crayfish, Cambaroides japonicus)
蝦蛄[shako] mantis shrimp (any marine crustacean of order Stomatopoda, esp. the species Oratosquilla oratoria)
螻蛄[kera] mole cricket (esp. the Oriental mole cricket, Gryllotalpa orientalis)
アメリカ蝲蛄[amerikazarigani] red swamp crayfish (Procambarus clarkii)
蝦蛄葉サボテン[shakobasaboten] Christmas cactus

海蝲蛄[umizarigani] lobster
飛螻蛄[tobikera] caddisfly
飛螻蛄目[tobikeramoku] Trichoptera (the order of insects comprising the caddisflies)
川螻蛄[kawagera] stonefly (any insect of order Plecoptera, esp. those of family Perlidae)
日本蝲蛄[nihonzarigani] Japanese crayfish (Cambaroides japonicus)

虫螻[mushikera] worm
飛螻蛄[tobikera] caddisfly

飛螻蛄目[tobikeramoku] Trichoptera (the order of insects comprising the caddisflies)
川螻蛄[kawagera] stonefly (any insect of order Plecoptera, esp. those of family Perlidae)