一水
  いっすい
  noun (common) (futsuumeishi)
  current (of water)
  drop
  ◄ ►
  一睡
  いっすい
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  (usu. in negative sentences) (not) a wink of sleep
  ◄ ►
  溢水
  いっすい
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  inundation
  overflow
  ◄ ►