水文
  すいもん
  noun or verb acting prenominally (other than the above)
  see: 水文学
  hydrological
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  推問
  すいもん
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  investigation (e.g. crime)
  examination
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  水門
  すいもん
  noun (common) (futsuumeishi)
  sluice gate
  water gate
  flood gate
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