圧排[appai] exclusion
集権排除[shuukenhaijo] decentralization
排液[haieki] drainage
排気[haiki] exhaust
排気ガス[haikigasu] exhaust fumes

排気量[haikiryou] (engine) displacement
排撃[haigeki] rejection
排出[haishutsu] evacuation
排除[haijo] exclusion
排水[haisui] drainage

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