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

瑞西[suisu] Switzerland
瑞典[suweeden] Sweden
奇瑞[kizui] auspicious (good) omen
瑞瑞しい[mizumizushii] young (and lustrous)
瑞気[zuiki] good omen

瑞穂の国[mizuhonokuni] Japan, the Land of Abundant Rice
瑞兆[zuichou] auspicious sign
瑞祥[zuishou] auspicious sign
瑞雲[zuiun] auspicious clouds
瑞宝章[zuihoushou] Orders of the Sacred Treasure