Can you get this?

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Across
  1. 1. words in a language
  2. 5. person from another country
  3. 7. large brown seaweed
  4. 10. a magic spell
  5. 12. noise made when aircraft passes speed of sound
  6. 13. pay back money to a customer
Down
  1. 2. person guilty of crime
  2. 3. shape with four sides
  3. 4. fake news
  4. 6. the third stage of a butterfly's life
  5. 8. book of words
  6. 9. a group of geese
  7. 11. a type of drink