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

サハラ砂漠[saharasabaku] Sahara Desert
黄砂[kousa] loess
角砂糖[kakuzatou] cube sugar
玉砂利[tamajari] gravel
黒砂糖[kurozatou] brown sugar

砂子[isago] sand
砂岩[sagan] sandstone
砂丘[sakyuu] sand dune
砂金[sakin] gold dust
砂時計[sunadokei] hourglass