Suffixes (-er, -or, -ess, -ist)

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Across
  1. 1. someone who writes novels
  2. 6. someone who works with books and papers
  3. 7. someone who plays guitar
  4. 10. someone who works in a train
  5. 13. an actor
  6. 14. a female who receives guests
  7. 16. someone who teaches
  8. 17. someone who does science
  9. 18. someone who works with chemicals
  10. 19. someone who visits
  11. 20. someone who ships
Down
  1. 2. a female lion
  2. 3. someone who swims
  3. 4. a female waiter
  4. 5. someone who preaches
  5. 8. someone who plays the organ
  6. 9. someone who invests their money
  7. 11. someone who helps people
  8. 12. someone who works with teeth
  9. 15. someone who directs