soundwaves list words

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Across
  1. 3. capital
  2. 7. to be disturbed
  3. 8. to talk under your breath
  4. 9. a type of book
  5. 11. the next stage from highschool
Down
  1. 1. round
  2. 2. to fill your house with furniture
  3. 4. to practise a concert
  4. 5. Ambulances attend to these
  5. 6. to return to the surface
  6. 10. must do