逆相
  ぎゃくそう
  noun (common) (futsuumeishi)
  nouns which may take the genitive case particle `no'
  antiphase
  reverse phase
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  逆走
  ぎゃくそう
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  going in the opposite direction
  going against the wind
  running or operating a machine in reverse (such as an electric motor)
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