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

恩給[onkyuu] pension
加給[kakyuu] raising salaries
給う[tamau] to receive
給血[kyuuketsu] donation of blood
給仕[kyuuji] waiting on a table

給食[kyuushoku] school lunch
給水[kyuusui] water supply
給水制限[kyuusuiseigen] water supply restrictions
給水栓[kyuusuisen] hydrant