Suffix es and s

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Across
  1. 4. the plural of country
  2. 7. the plural of box
  3. 9. the plural of library
  4. 10. the plural of mystery
  5. 12. the plural of knife
  6. 13. the plural of brush
Down
  1. 1. the plural of family
  2. 2. the plural of wolf
  3. 3. the plural of church
  4. 5. the plural of shelf
  5. 6. the plural of fox
  6. 8. the plural of scarf
  7. 11. the plural of thief