Long /i/ sound and ant/ent, ance/ence

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Across
  1. 6. , comes from the sun
  2. 7. , maybe
  3. 8. , purchase
  4. 12. , Trait - not giving up
  5. 14. , lasting a long time
  6. 15. , farewell
  7. 17. , act to entertain
  8. 20. , did shed tears
  9. 22. , a line of words
Down
  1. 1. , not day
  2. 2. , to see something
  3. 3. , around the outside
  4. 4. , popular, lots of
  5. 5. , level of worth
  6. 9. , forming a team together
  7. 10. , fly this in a park
  8. 11. , relying upon
  9. 13. , crowd
  10. 16. , take a piece of
  11. 17. , a tasty pastry
  12. 18. , scare
  13. 19. , style and grace
  14. 21. , you do this with a pen