Affixes Crossword

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Across
  1. 2. prefix in word unwilling
  2. 3. added to the end of a base word
  3. 6. to heat before
  4. 9. prefix in the word autobiography
  5. 10. study of the Earth
  6. 12. root word of unbreakable
  7. 13. plural of box
  8. 15. to be without fear
  9. 18. prefix in triangle
  10. 19. root of the word biology
  11. 20. one who travels
Down
  1. 1. not wanting to talk to people
  2. 3. root of word hemisphere
  3. 4. prefix in the word interaction
  4. 5. to play again
  5. 7. added to the beginning of base word
  6. 8. suffix in the word unsuccessful
  7. 11. root word in carelessly
  8. 14. prefix in semicircle
  9. 16. suffix in word agreeable
  10. 17. root of word unstoppable