Irregular Plural Nouns

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Across
  1. 4. child
  2. 5. sheep
  3. 6. focus
  4. 8. mouse
  5. 10. tooth
  6. 13. cactus
  7. 14. moose
  8. 15. loaf
  9. 17. leaf
  10. 18. quiz
  11. 19. foot
Down
  1. 1. fungus
  2. 2. wife
  3. 3. person
  4. 7. ox
  5. 9. crisis
  6. 11. hypothesis
  7. 12. goose
  8. 13. calf
  9. 16. fish