Portuguese Pluralization

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Across
  1. 4. hotels
  2. 6. erasers
  3. 7. barrels
  4. 9. hospitals
  5. 10. parades
  6. 13. capitals
  7. 15. ends in al, el ol, or ul
  8. 16. homes
  9. 17. funnels
Down
  1. 1. animals
  2. 2. rule B
  3. 3. rule A
  4. 5. fragile
  5. 6. good
  6. 8. reptiles
  7. 10. difficulties
  8. 11. fossils
  9. 12. useful
  10. 14. easy