American English vs British English

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Across
  1. 5. football
  2. 6. holiday
  3. 10. sweets
  4. 11. blockofflats
  5. 13. underground
  6. 14. autumn
  7. 15. rubber
Down
  1. 1. petrol
  2. 2. chips
  3. 3. headteacher
  4. 4. trousers
  5. 7. american football
  6. 8. plaster
  7. 9. crisps
  8. 12. break