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

只管[hitasura] nothing but
ブラウン管[buraunkan] cathode-ray tube
為替管理[kawasekanri] exchange control
移管[ikan] transfer of control
一管[ikkan] one flute

陰極線管[inkyokusenkan] cathode-ray tube
烟管[enkan] kiseru
煙管[kiseru] (tobacco) pipe with metal tipped stem
鉛管[enkan] lead pipe
下水管[gesuikan] sewer pipe