Irregular plurals

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Across
  1. 2. plural of data
  2. 4. plural of foot
  3. 6. plural of child
  4. 8. plural of cactus
  5. 10. plural of man
  6. 11. plural of loaf
  7. 12. plural of scarf
  8. 15. plural of goose
Down
  1. 1. plural of matrix
  2. 3. plural of mouse
  3. 5. plural of theif
  4. 7. pural of dwarf
  5. 9. plural of deer
  6. 13. plural of sheep
  7. 14. plural of tooth