Singular -plural forms of nouns

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Across
  1. 3. singular of geese
  2. 4. singular of children
  3. 7. plural of woman
  4. 9. plural of hair
  5. 10. singular of mice
  6. 12. plural of grass
  7. 13. plural of cactus
  8. 14. plural of quiz
  9. 15. singular of series
Down
  1. 1. plural of potato
  2. 2. plural of bench
  3. 5. plural of leaf
  4. 6. plural of furniture
  5. 8. singular of feet
  6. 11. plural of oasis