河童

かっぱ かわわっぱ かあっぱ かあらんべ

kappa, mythical water-dwelling creature

屁の河童

へのかっぱ

something easy to do, cinch

河童の屁

かっぱのへ

something easy to do, cinch

河童巻

かっぱまき

cucumber sushi wrapped in nori (seaweed)

お河童

おかっぱ

bobbed hair

御河童

おかっぱ オカッパ ごかっぱ

bobbed hair

川流れ

かわながれ

being carried away by a current

河川

かせん

rivers

河流

かりゅう

stream

河童の寒稽古

かっぱのかんげいこ

something that looks difficult but actually isn't; swimming in a cold lake during mid-winter seems difficult, but it's nothing to a kappa

天の川銀河

あまのがわぎんが あまのかわぎんが

Milky Way Galaxy

河川敷

かせんしき かせんじき

flood plain, river terrace, area between river and river bank

河川法

River Act

河川学

かせんがく

potamology; fluviology

河川水

かせんすい

river water

河川工学

かせんこうがく

river engineering

一級河川

いっきゅうかせん

class A river, specified waterways of special importance protected by the government

間欠河川

かんけつかせん

intermittent river; intermittent stream

感潮河川

かんちょうかせん

tidal river