-sion vs -tion

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Across
  1. 3. a very large house
  2. 4. the ability to see
  3. 9. a country
  4. 10. to separate into groups
  5. 11. to educate
  6. 12. to care about something a lot
Down
  1. 1. to share your ideas with another
  2. 2. to show how one feels
  3. 5. one of many choices
  4. 6. to do something
  5. 7. to not understand
  6. 8. used to combine two things. Common math term.