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

葱頭[tamanegi] onion (edible plant, Allium cepa)
西洋葱[seiyounegi] leek (edible plant, Allium porrum)
韮葱[niranegi] broadleaf wild leek (edible plant with hard tubular leaves, Allium ampeloprasum)
萌葱色[moegiiro] light green
葱坊主[negibouzu] onion head

浅葱[asagi] pale blue-green
浅葱[asatsuki] chive (edible plant, Allium schoenoprasum)
分葱[wakegi] Allium wakegi (species of scallion)
長葱[naganegi] scallion