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

皿秤[sarabakari] balance
台秤[daibakari] platform scales
天秤にかける[tenbinnikakeru] to compare and contrast two alternatives
天秤座[tenbinza] Libra (constellation)
天秤棒[tenbinbou] shoulder carrying pole

両天秤[ryoutenbin] two alternatives
天秤[tenbin] (balance) scales
水秤[mizubakari] a water level
秤にかける[hakarinikakeru] to weigh on a scale