Creating Nouns Using -ness suffix

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Across
  1. 5. The quality of being hard or tough
  2. 6. The quality of being immature or childlike
  3. 9. The state of being mentally ill or wildly irrational
  4. 10. The state of being unwise or silly
Down
  1. 1. The quality of being silly or foolish
  2. 2. Lack of attention or thought
  3. 3. The state of being ready to do something
  4. 4. The state of being neat and clean
  5. 7. A state of being happy
  6. 8. The quality of being unpleasant or nasty