Suffixes en, ise, ify

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Across
  1. 3. To add variety or make something more varied.
  2. 4. To learn something so you can remember it.
  3. 5. Incorrect because of an error or misunderstanding.
  4. 6. To take advantage of an opportunity.
  5. 9. To remove dirt or harmful substances to make something clean.
  6. 11. To make someone or something unable to move.
  7. 13. To sort things into groups based on their features.
  8. 15. To make something easier to understand or do.
  9. 17. To admire someone greatly or treat them like a hero.
  10. 18. To give someone energy or enthusiasm.
  11. 19. To present an event in an exciting or exaggerated way.
Down
  1. 1. Shown to be true through evidence or testing.
  2. 2. Not allowed; against the rules.
  3. 4. To confuse someone or make something seem mysterious.
  4. 7. To arrange words or items in alphabetical order.
  5. 8. To represent an idea using a sign, object or image.
  6. 10. To change information or evidence so it is no longer true.
  7. 12. To examine something carefully to understand it.
  8. 14. To give someone knowledge or understanding about something.
  9. 16. To help develop the customs, systems or behaviours of a society.