• 河川かせん

  rivers

• 河畔かはん

  riverside

• 河原かわら

  dry riverbed, river beach

• 河口かこう

  mouth of river, estuary

• 運河うんが

  (navigable) canal, waterway

• 銀河ぎんが

  Milky Way

• 氷河ひょうが

  glacier

• 大河たいが

  large river

• 河川敷かせんじき

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

• 河ホー

  discarded tiles, discards

• 河内ハノイ

  Hanoi (Vietnam)

• 河流かりゅう

  stream

• 河漢かかん

  Milky Way

• 河港かこう

  river port

• 河魚かぎょ

  river fish

• 河系かけい

  river system

• 河谷かこく

  river valley

• 河海かかい

  rivers and seas

• 河鹿かじか

  kajika frog (Buergeria buergeri)

• 河水かすい

  river water, stream

• 河食かしょく

  fluvial erosion

• 河猪かわいのしし

  bush pig

• 河渠かきょ

  waterway, canal, river

• 河馬かば

  hippopotamus (Hippopotamus amphibius), hippo

• 河道かどう

  river channel, floodway

• 河清かせい

  clearing of the river water

• 河豚ふぐ

  puffer fish, blow fish, fugu, globefish, swellfish

• 河神かしん

  guardian deity of rivers, river god

• 河烏かわがらす

  brown dipper (Cinclus pallasii)

• 河鱒かわます

  brook trout (Salvelinus fontinalis)

• 河伯かはく

  kappa (mythical water-dwelling creature)

• 河骨こうほね

  Japanese spatterdock (species of water lily, Nuphar japonica)

• 河鰉かわひがい

  Sarcocheilichthys variegatus variegatus (subspecies of cyprinid)

• 河岸かし

  riverbank, riverside

• 河内かわち

  Kawachi (former province located in the east of present-day Osaka Prefecture)

• 河床かしょう

  riverbed

• 河童かっぱ

  kappa, mythical water-dwelling creature

• 山河さんが

  mountains and rivers, natural surroundings

• 江河こうが

  Yangtze and Yellow rivers, large river

• 駿河するが

  Suruga (former province located in the central and northern parts of present-day Shizuoka Prefecture)

• 恋河こいかわ

  oceans of love

• 決河けっか

  river breaking through (its dikes)

• 三河みかわ

  Mikawa (former province located in the east of present-day Aichi Prefecture)

• 天河てんが

  the Milky Way

• 黄河こうが

  Yellow River (China)

• 追河おいかわ

  pale chub (Zacco platypus), freshwater minnow

• 渡河とか

  crossing a river

• 河津鉱かわづこう

  kawazulite

• 河川法かせんほう

  River Act

• 河川水かせんすい

  river water