悪水[akusui] undrinkable water
井戸水[idomizu] well water
一衣帯水[ichiitaisui] (being separated only by a) narrow strip of water
一水[issui] current (of water)
溢水[issui] inundation

飲水量[insuiryou] amount of drinking
飲料水[inryousui] drinking water
烏の行水[karasunogyouzui] quick bath
雲水[unsui] itinerant priest
塩化水素[enkasuiso] hydrogen chloride

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

三指鴎[mitsuyubikamome] black-legged kittiwake
フルマ鴎[furumakamome] northern fulmar (Fulmarus glacialis)
百合鴎[yurikamome] black-headed gull (Larus ridibundus)
笑い鴎[waraikamome] laughing gull (larus atricilla)
大フルマ鴎[oofurumakamome] giant petrel (esp. the southern giant petrel, Macronectes giganteus)

斑フルマ鴎[madarafurumakamome] Cape pigeon
背黒鴎[segurokamome] herring gull (Larus argentatus)
盗賊鴎[touzokukamome] skua (any bird of family Stercorariidae, inc. the jaegers)
黒盗賊鴎[kurotouzokukamome] parasitic jaeger