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

雨混じりの雪[amemajirinoyuki] snow mingled with rain
花吹雪[hanafubuki] falling cherry blossoms
雪崩れる[nadareru] to slope
蛍雪の功[keisetsunokou] the fruit of diligent study
降雪[kousetsu] snowfall

豪雪[gousetsu] tremendous snowfall
細雪[sasameyuki] light snow fall
初雪[hatsuyuki] first snow (of season)
除雪[josetsu] snow removal
除雪車[josetsusha] snow-plow