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

漉す[kosu] to filter
絹漉し[kinugoshi] filtering or straining through silk cloth
手漉[tesuki] handmade paper
茶漉し[chakoshi] tea strainer
紙漉き[kamisuki] paper making

漉紙[koshigami] filter paper
水漉し[mizukoshi] water filter
漉し器[koshiki] filter
裏漉し[uragoshi] strainer
漉く[suku] to make something (i.e. paper) from wet, pulpy material by spreading it thin and drying it