Collective nouns and common nouns

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Across
  1. 4. One in a swarm.
  2. 6. The______ of the three ships cam on shore.
  3. 7. A bunch for Valentine's Day
  4. 8. Some in a colony.
  5. 9. A whole of of birds.
  6. 11. A group of actors.
  7. 13. All the fish you bring in.
  8. 14. A line of mountains.
  9. 17. An audience watches it.
Down
  1. 1. People in church
  2. 2. A pride of _______
  3. 3. Some flowers or grapes or keys.
  4. 4. They all hatched at once.
  5. 5. A group of friends you enjoy spending time with.
  6. 10. Some people singing together.
  7. 12. People sail on one of these.
  8. 15. A group that causes trouble.
  9. 16. A lost bunch locks you out.