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

一宿一飯[isshukuippan] (being beholden to someone for a favor of) a night's lodging and a meal
一膳飯屋[ichizenmeshiya] quick lunch
一飯[ippan] bowl of rice
五目飯[gomokumeshi] dish of rice, fish and vegetables
御飯[omanma] cooked rice

桜飯[sakurameshi] rice boiled with soy sauce and sake
残飯[zanpan] food scraps
鮨飯[sushimeshi] rice seasoned with vinegar, sugar and salt, used for preparing sushi
炊飯器[suihanki] rice cooker
赤飯[sekihan] red rice (beans and mochi) for auspicious occasions