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

塩濃度[ennoudo] salt concentration
濃やか[komayaka] friendly
脂っ濃い[aburakkoi] greasy
濃い[koi] deep (colour)
濃褐色[noukasshoku] dark brown

濃厚[noukou] density
濃紺[noukon] dark blue
濃縮[noushuku] concentration (of a solution)
濃青色[nouseishoku] dark blue
濃淡[noutan] light and shade