Prefix Crossword 1

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Across
  1. 3. vessel that can travel under water
  2. 5. print in a wrong way
  3. 9. soil below the earth's surface
  4. 12. between different nations
  5. 13. to not approve
  6. 17. against war
  7. 19. time before recorded history
  8. 20. against slavery
Down
  1. 1. over the speed of sound
  2. 2. outside one's normal senses
  3. 4. to not like something
  4. 6. to cook beforehand
  5. 7. to behave badly
  6. 8. not containing fat
  7. 10. between different states
  8. 11. hero figure with powers far above normal
  9. 14. beyond the ordinary
  10. 15. time period after a war is over
  11. 16. not using violence
  12. 18. student taking a course after graduation