Noun suffixes -ER, -OR, -IST, IAN, -EE

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Across
  1. 5. hires and pays employees.
  2. 7. directs a film, play, or other creative work.
  3. 8. studies the physical world and its laws.
  4. 9. teaches at a university or college.
  5. 10. teaches a class or course.
  6. 12. is learning a new skill or trade.
  7. 14. organizes and maintains a library's collection of books, periodicals, and other materials.
  8. 15. works for an employer in exchange for wages or salary.
  9. 17. conducts research in a particular field.
  10. 19. applies scientific knowledge to solve practical problems.
  11. 20. studies the natural world.
Down
  1. 1. translates text from one language to another
  2. 2. gathers and reports news.
  3. 3. holds or seeks a position in government.
  4. 4. oversees the activities of a group of people or a department.
  5. 5. studies the economy and its performance.
  6. 6. studies the mind and behavior.
  7. 11. teaches a person or group a new skill or trade.
  8. 13. installs, maintains, and repairs electrical systems.
  9. 16. takes photographs.
  10. 18. diagnoses and treats diseases.