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

胃癌[igan] stomach cancer
癌腫[ganshu] carcinoma
黒色癌[kokushokugan] melanocarcinoma
乳癌[nyuugan] breast cancer
発癌[hatsugan] cancer causing

発癌性[hatsugansei] carcinogenic
肺癌[haigan] lung cancer
制癌剤[seiganzai] anti-cancer (cancer-inhibiting) drug
舌癌[zetsugan] cancer of the tongue