Graham's omni/ician prefix crossword puzzle.

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Across
  1. 5. Someone who studies statistics
  2. 7. having the ability/quality of having power
  3. 8. a medical doctor (not a surgeon)
  4. 9. old-fashioned
  5. 11. someone who prepares dead bodies for burial
  6. 12. Eats both plants and meat
  7. 14. relating to all sorts of varieties
  8. 15. knowing everything/understanding
Down
  1. 1. someone who is into government (normally as an official)
  2. 2. containing options or varieties of something
  3. 3. someone who works and repairs electricity
  4. 4. someone who gives beauty treatments
  5. 6. someone who treats babies and children
  6. 7. Someone who has complete control or power
  7. 10. relating to ancient greece
  8. 12. in the state of understanding something
  9. 13. someone who sings, or writes music