Irregular Plural Nouns in English

123456789101112131415161718192021
Across
  1. 2. fish
  2. 4. man
  3. 6. ox
  4. 10. life
  5. 11. louse
  6. 13. leaf
  7. 14. mouse
  8. 16. seraph
  9. 17. sheep
  10. 19. child
  11. 21. goose
Down
  1. 1. cherub
  2. 2. foot
  3. 3. wolf
  4. 5. nucleus
  5. 7. bacterium
  6. 8. wife
  7. 9. person
  8. 12. tooth
  9. 15. calf
  10. 18. knife
  11. 20. deer