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

若し[moshi] if
若しかしたら[moshikashitara] perhaps
若しかして[moshikashite] perhaps
若しかすると[moshikasuruto] perhaps
若い[wakai] young

若さ[wakasa] youth
若しくは[moshikuha] or
若干[jakkan] some
若死に[wakajini] premature death
若者[wakamono] young man