幹事[kanji] executive secretary
幹事会[kanjikai] board of governors
幹事長[kanjichou] chief secretary (usu. of a party)
幹線[kansen] main line
幹線道路[kansendouro] main road

幹竹割り[karatakewari] cutting straight down
幹部[kanbu] management
幹部会[kanbukai] board of directors
幹流[kanryuu] main current
幹理[kanri] superintendence

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