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

烟い[kebui] smoky
烟たい[kebutai] smoky
烟たがる[kebutagaru] to be sensitive to smoke
烟る[keburu] to smoke (e.g. fire)
烟管[enkan] kiseru

烟突[entotsu] chimney
喫烟[kitsuen] smoking
禁烟[kinen] abstaining from smoking
煤烟[baien] dirty smoke