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

祓い清める[haraikiyomeru] to purify
お祓い[oharai] exorcism rite
修祓[shubatsu] purification rite (esp. one held prior to a Shinto event)
大祓い[ooharae] great purification
禊祓[misogiharae] form of Shinto purification

祓う[harau] to exorcise
名越しの祓[nagoshinoharae] summer purification rites (held at shrines on the last day of the 6th lunar month)
善祓[yoshiharae] purification to invite good fortune
悪祓[ashiharae] purification to cleanse one of sin