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

ハッブル望遠鏡[habburubouenkyou] Hubble telescope
胃鏡[ikyou] gastroscope
遠眼鏡[toomegane] spectacles for far-sightedness
凹眼鏡[ougankyou] concave glasses
凹面鏡[oumenkyou] concave mirror

鏡像[kyouzou] reflected image
鏡台[kyoudai] dresser
鏡板[kagamiita] panel
鏡面[kyoumen] mirror surface