Plural of nouns

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Across
  1. 2. - cat
  2. 3. - baby
  3. 6. - life
  4. 7. - potato
  5. 8. - woman
  6. 9. - man
Down
  1. 1. - watch
  2. 4. - bird
  3. 5. - foot
  4. 7. - person