Confusing Word

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Across
  1. 2. it is
  2. 4. give someone a task
  3. 6. too much
  4. 9. a sweet you have after dinner
  5. 14. to compare
  6. 15. at that time
  7. 16. to receive
  8. 19. There
  9. 20. make a difference to
Down
  1. 1. unable to find
  2. 3. one plus one
  3. 5. to big
  4. 7. a place or position
  5. 8. not including
  6. 10. expressing motion in a direction
  7. 11. a change which is a result
  8. 12. used to refer to a thing
  9. 13. belonging or associated with people
  10. 17. in addition
  11. 18. a hot dry place