Singular and Plural

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Across
  1. 2. plural of company
  2. 3. singular of matches
  3. 5. plural of file
  4. 8. plural of plate
  5. 10. plural of wolf
  6. 11. plural of library
Down
  1. 1. plural of dove
  2. 2. plural of cherry
  3. 4. singular of peaches
  4. 6. singular of staples
  5. 7. plural of gallery
  6. 8. singular of powers
  7. 9. singular of selves
  8. 12. singular of empties