Prefix and Suffix

1234567891011121314151617181920
Across
  1. 1. The period of being a child
  2. 3. Not happy
  3. 7. Full of beauty
  4. 10. A person who teaches
  5. 11. Below the ground
  6. 14. Understand incorrectly
  7. 16. In a quick manner
  8. 17. The state of being friends
  9. 18. Build again
  10. 19. The act of moving
  11. 20. Cook too much
Down
  1. 2. Not possible
  2. 4. Full of hope
  3. 5. Without care
  4. 6. The state of being weak
  5. 8. Breathe out
  6. 9. Under the sea
  7. 12. The state of being sad
  8. 13. Before recorded history
  9. 15. Not agree