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

御心配なく[goshinpainaku] don't worry
一党支配[ittoushihai] one-party rule
加配[kahai] additional ration
加配米[kahaimai] extra rice ration
環境配慮書[kankyouhairyosho] environmental impact statement

気配[kehai] indication
軍配[gunbai] stratagem
減配[genpai] reduction in a dividend
交配[kouhai] mating
勾配[koubai] slope