Sort 47, prefixes, spelling

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Across
  1. 4. before the test
  2. 6. not appear
  3. 9. not loyal
  4. 10. before being a teen
  5. 12. not agree
  6. 15. wrongly treat
  7. 16. wrongly judge
  8. 17. wrongly spell
  9. 19. a measure taken in advance to prevent
  10. 20. something valuable or something of great
  11. 21. not able
  12. 22. worongly place
Down
  1. 1. before the fixed part of the word
  2. 2. not to be wasted or treated
  3. 3. before school
  4. 5. before heating something
  5. 7. not comfortable
  6. 8. before veiwing
  7. 9. not like
  8. 11. wongly match
  9. 13. not honest
  10. 14. before mutureness
  11. 15. wrongly behave
  12. 18. not obey
  13. 21. find out