Sort 47, prefixes, spelling

1234567891011121314151617181920
Across
  1. 3. before the fixed part of the word
  2. 4. before mutureness
  3. 7. not able
  4. 8. something valuable or something of great
  5. 9. wongly match
  6. 10. find out
  7. 11. before being a teen
  8. 12. not loyal
  9. 15. before heating something
  10. 17. wrongly treat
  11. 20. wrongly behave
Down
  1. 1. not agree
  2. 2. not appear
  3. 5. not obey
  4. 6. before school
  5. 7. not honest
  6. 10. not comfortable
  7. 13. a measure taken in advance to prevent
  8. 14. before the test
  9. 15. before veiwing
  10. 16. wrongly judge
  11. 17. worongly place
  12. 18. to be wasted or treated carelessly.
  13. 19. not like
  14. 20. wrongly spell