光速
  こうそく
  noun (common) (futsuumeishi)
  speed of light
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  拘束
  こうそく
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  restriction
  restraint
  binding
  constraint
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  梗塞
  こうそく
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  stoppage
  tightness
  block
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  noun, used as a suffix
  medicine, etc. term
  infarction (e.g. cardiac)
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  校則
  こうそく
  noun (common) (futsuumeishi)
  school regulations
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  高速
  こうそく
  adjectival nouns or quasi-adjectives (keiyodoshi)
  noun (common) (futsuumeishi)
  nouns which may take the genitive case particle `no'
  high speed
  high gear
  abbreviation
  highway
  freeway
  expressway
  motorway
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  光束
  こうそく
  noun (common) (futsuumeishi)
  luminous flux
  pencil (of light)
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  高足
  こうそく
  noun (common) (futsuumeishi)
  best student
  leading disciple
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