Formal and Informal Words

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Across
  1. 4. informal word for regarding
  2. 5. formal word for guide/help
  3. 7. formal word for start
  4. 8. informal word for conclude
  5. 10. informal word for discuss
  6. 13. informal word for reside
  7. 14. informal word for opportunity
  8. 15. formal word for wrong
Down
  1. 1. formal word for enough
  2. 2. informal word for depart
  3. 3. formal word for buy
  4. 6. formal word for ask
  5. 9. informal word for fortunately
  6. 11. formal word for need
  7. 12. formal word for tell