Collective nouns

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Across
  1. 3. a group of lions
  2. 5. a group of players
  3. 6. a group of birds
  4. 9. a group of fish
  5. 10. a group of sailors
  6. 11. a group of cattle
Down
  1. 1. a group of flowers
  2. 2. a group of soldiers
  3. 4. a group of wolves
  4. 7. a group of singers
  5. 8. a group of grapes
  6. 9. a group of bees