'ness' suffix

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Across
  1. 3. if you go a bit crazy
  2. 5. the opposite of strong
  3. 8. when you're poorly you have an...
  4. 9. being aware of your surroundings
  5. 10. being active
Down
  1. 1. a company who sells things
  2. 2. the feeling of being lonely
  3. 4. the opposite of light
  4. 6. when you're poorly you have a...
  5. 7. when you are nice