空く
  すく
  Godan verb with `ku' ending
  intransitive verb
  to become less crowded
  to thin out
  to get empty
  see: お腹が空く
  to be hungry
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  開く
  空く
  明く
  あく
  Godan verb with `ku' ending
  intransitive verb
  [esp. 開く]
  to open (e.g. doors)
  [esp. 開く]
  to open (e.g. business, etc.)
  [esp. 空く]
  to be empty
  [esp. 空く]
  to be vacant
  to be available
  to be free
  [esp. 明く]
  to be open (e.g. neckline, etc.)
  [esp. 明く]
  to have been opened (of one's eyes, mouth, etc.)
  [esp. 明く]
  to come to an end
  Godan verb with `ku' ending
  transitive verb
  [esp. 明く]
  to open (one's eyes, mouth, etc.)
  Godan verb with `ku' ending
  intransitive verb
  see: 穴が開く
  to have a hole
  to form a gap
  to have an interval (between events)
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