Prefixes con and mid

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Across
  1. 8. a formal meeting
  2. 9. middle of the night
  3. 11. a result or effect of an action
  4. 13. middle of the land
  5. 14. to gather in a crowd
  6. 15. to build with
  7. 16. middle size
Down
  1. 1. making a conclusion about something
  2. 2. prefix means middle, whole word means middle of the air
  3. 3. to cause someone to believe firmly in something
  4. 4. prefix means middle, whole word means middle of the year
  5. 5. form with
  6. 6. prefix means middle, whole word means middle of the town
  7. 7. prefix means middle, whole word means middle of the section
  8. 10. prefix means middle, whole word means middle of the way
  9. 12. to focus