-able, keep final e/drop final e

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Across
  1. 7. able to handle
  2. 9. not wanted or viewed as attractive
  3. 10. able to enjoy
  4. 13. easy to see/spot
  5. 15. able to be used up (think of eating)
  6. 18. capable of growing crops
  7. 19. able to say correctly
  8. 20. able to keep steady
  9. 21. not able to see
Down
  1. 1. able to be traded
  2. 2. able to be overlooked
  3. 3. intelligent
  4. 4. like your thumbs
  5. 5. able to be saved
  6. 6. not able to split/divide/separate
  7. 8. able to continue
  8. 11. able to be used again
  9. 12. able to groove to
  10. 14. easy to mistake for something else
  11. 16. not able to name
  12. 17. able to have its place taken