prefix re, sub, inter, super, auto, anti

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Across
  1. 6. A boat that travels under the sea.
  2. 9. A very big shop where you buy food and other items.
  3. 12. A person’s own written signature.
  4. 13. Turning the opposite way to how a clock moves.
  5. 14. To split something into smaller parts.
Down
  1. 1. A book someone writes about their own life.
  2. 2. Something that kills germs.
  3. 3. A superhero with super powers.
  4. 4. A smaller title under a main heading.
  5. 5. To make something feel new or less tired again.
  6. 7. To go back to a place or give something back.
  7. 8. Something that involves more than one country.
  8. 10. To do something again.
  9. 11. To communicate or do things with someone else.