My spelling rest words

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Across
  1. 2. a imaginary horse with a horn
  2. 4. unwell and ill
  3. 7. to give advice
  4. 11. To gather
  5. 12. how heavy you are
  6. 14. I am sure
  7. 16. a part of a galaxy
  8. 17. a certain time
  9. 18. a pocket knife
  10. 19. an hollow place
  11. 20. waiting for someone to consume
Down
  1. 1. To do
  2. 3. people around you
  3. 5. to be vicious
  4. 6. unique
  5. 8. different
  6. 9. jail room
  7. 10. at once all of it
  8. 13. a shirt that represents something
  9. 15. Stay the for a certain time
  10. 20. having a problem