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

隈無く[kumanaku] all over
然り気無い[sarigenai] nonchalant
だらし無い[darashinai] slovenly
途轍も無い[totetsumonai] extravagant
とんでも無い[tondemonai] unthinkable

無け無し[nakenashi] very small amount which looks like nothing
無駄にする[mudanisuru] to render futile
悪虐無道[akugyakubudou] treacherous
意気地無し[ikujinashi] coward
一も二も無く[ichimonimonaku] unhesitatingly

以降[ikou] on and after
引き降ろす[hikiorosu] to haul down
雨降って地固まる[amefuttejikatamaru] adversity strengthens the foundations
横降り[yokoburi] driving rain
降す[kudasu] to make (a decision)

降立つ[oritatsu] to go down and stand
降る[kudaru] to descend
降ろし[oroshi] dropping
下降[kakou] downward
下降線[kakousen] downward curve