ヨガの流行[yoganoryuukou] the cult of yoga
亜流[aryuu] bad second
暗流[anryuu] undercurrent
一次電流[ichijidenryuu] primary current
一流[ichiryuu] first-class

溢流[itsuryuu] overflow
渦流[karyuu] swirling current
押流す[oshinagasu] to wash away
横流し[yokonagashi] diversion into illegal channels
横流れ[yokonagare] flowing into the black market

渓間[keikan] ravine
渓谷[keikoku] valley
渓流[keiryuu] mountain stream
渓流釣り[keiryuuzuri] mountain stream fishing
厳美渓[genbikei] Genbi Gorge (Ichinoseki-shi, Iwate-ken)

雪渓[sekkei] snowy valley
猊美渓[geibikei] Geibi Gorge (Higashiyama-cho, Iwate-ken)
渓声[keisei] sound of a valley stream
渓壑[keigaku] ravine