Irregular Nouns

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Across
  1. 3. bison
  2. 7. tooth
  3. 10. cactus
  4. 11. ox
  5. 12. fish
  6. 13. sheep
  7. 16. loaf
  8. 17. quiz
  9. 18. tuna
  10. 20. country
Down
  1. 1. knife
  2. 2. potato
  3. 4. puppy
  4. 5. child
  5. 6. city
  6. 8. woman
  7. 9. person
  8. 14. kangaroo
  9. 15. wife
  10. 19. analysis