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

満更夢ではない[manzarayumedehanai] not altogether a dream
満俺[mangan] manganese (Mn)
円満[enman] perfection
干満[kanman] ebb and flow
喜色満面[kishokumanmen] being all smiles with joy

金満家[kinmanka] man of wealth
才未満[saimiman] under ... years of age
充満[juuman] being filled with
順風満帆[junpuumanpan] smooth sailing
潮の干満[shionokanman] ebb and flood