Collective nouns

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Across
  1. 2. A____ of birds
  2. 3. A ____ of fishes
  3. 4. A__ of elephants
  4. 8. A____ of soldiers
  5. 9. A ___ of singers
Down
  1. 1. a ____ of grapes
  2. 2. A____ of ships
  3. 3. a ___ of bees
  4. 5. A ___ of cards
  5. 6. A___ of lions
  6. 7. A ____ of thieves