collective noun

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Across
  1. 3. a group of wolves
  2. 4. a group of sheep
  3. 6. a group of flowers in a vase
  4. 9. a box of kittens
  5. 11. a group of soldiers
  6. 12. a group of stars
  7. 13. a group of singers
Down
  1. 1. a group of trees in one area
  2. 2. a group of wild animals in one area
  3. 3. a group of lions
  4. 5. a group of books in a room
  5. 7. a group of football players
  6. 8. a stack of papers
  7. 10. a group boy scouts