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

その反面[sonohanmen] on the other hand
委細面談[isaimendan] details when I see you
一面[ichimen] one face
一面観[ichimenkan] one-sided view
一面識[ichimenshiki] (a) passing acquaintance

隠面[inmen] hidden surface
右面[umen] right side
液面[ekimen] liquid surface
凹面[oumen] concavity
凹面鏡[oumenkyou] concave mirror