My spelling words

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Across
  1. 3. coming after something
  2. 4. high quality
  3. 8. Leader that oversees employess
  4. 10. ariana grande
  5. 12. buisness owned by another company
  6. 14. underwater vehicle
  7. 15. take the place of
  8. 17. part of mind that influence actions and feelings
  9. 19. babysitter provides this
Down
  1. 1. below soneone lower rank
  2. 2. better then everything else
  3. 4. manages and organzation
  4. 5. seperating donething into parts
  5. 6. faster then the speed of sound
  6. 7. dive
  7. 9. part if a larger group
  8. 11. grocery store
  9. 13. happens when star dies
  10. 16. undeground railroad
  11. 18. replacement for a teacher