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

水沫[minawa] foam
沫雪[awayuki] light snowfall
泡沫的[houmatsuteki] transient
飛沫[shibuki] splash
泡沫[utakata] bubble on surface of liquid

泡沫会社[houmatsugaisha] short-lived company
泡沫候補[houmatsukouho] fringe candidate
飛沫感染[himatsukansen] droplet infection
水飛沫[mizushibuki] sheet of spray