When 'or' sound like 'eh'

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Across
  1. 4. film maker
  2. 7. someone who is a guest in your home
  3. 9. someone who builds
  4. 13. a judge of a situation
  5. 14. car's turning light
  6. 15. one who hoards specific items
  7. 16. consultant or mentor
  8. 18. element contributing to a result
Down
  1. 1. fail to remember
  2. 2. compatibility device
  3. 3. one practising medicine
  4. 5. police rank
  5. 6. one who manages a meeting
  6. 8. choir director
  7. 9. member of a conspiracy
  8. 10. a mistake
  9. 11. story teller
  10. 12. swamp reptile
  11. 16. writer of books
  12. 17. aged citizen
  13. 19. dramatic performer