Long I sound

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Across
  1. 2. vision
  2. 3. end sound alike
  3. 6. not heavy
  4. 8. knowledge of
  5. 9. bring to a fever pitch
  6. 11. short verbal exit
  7. 12. purchase
  8. 14. told by a clock
  9. 16. the defined place
Down
  1. 1. not wrong
  2. 4. maybe, maybe not
  3. 5. taken by air
  4. 7. a quick scare
  5. 10. the organ of sight
  6. 11. very near
  7. 12. taken with your mouth
  8. 13. Ben's electric discoverer
  9. 15. he says nothing