"igh" puzzle

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Across
  1. 4. not day but...
  2. 7. not left but...
  3. 8. a battle
  4. 9. not loose, but....
  5. 10. power to see
Down
  1. 1. not dark but...
  2. 2. Scary
  3. 3. trip in an airplane
  4. 5. strong
  5. 6. giving much light