Bartleys morphemic analysis puzzle

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Across
  1. 3. relating to shape
  2. 4. to cut between
  3. 7. not here
  4. 9. pertaining to air
  5. 10. not to stick
  6. 13. to build together
  7. 14. to make perfect
  8. 15. to here
  9. 16. one wheel
  10. 17. 3 sides
  11. 18. to see and watch
Down
  1. 1. two languages
  2. 2. made before
  3. 3. able to bend
  4. 5. to pull that which
  5. 6. to send apart
  6. 7. to send by air
  7. 8. to cut twice
  8. 11. together
  9. 12. relating to streching