Complete the collective nouns crossword puzzle

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Across
  1. 3. A _______ of sailors
  2. 4. A _______ of flowers
  3. 6. A _______ of actors
  4. 8. A _______ of musicians
Down
  1. 1. A _______ of peacocks
  2. 2. A _______ of rooms
  3. 3. A _______ of witches
  4. 4. A _______ of chickens
  5. 5. A _______ of monkeys
  6. 7. A _______ of workmen