Suffix -ness

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Across
  1. 6. synonym of organized
  2. 7. a feeling of being tired
  3. 10. to treat others nicely
  4. 11. synonym of happiness
  5. 13. antonym of messy
  6. 14. the flu or a cold
Down
  1. 1. creates a grey looking sky
  2. 2. a place filled with nature and wildlife
  3. 3. a feeling of joy
  4. 4. feeling of being upset
  5. 5. antonym of light
  6. 8. the quality of being good
  7. 9. exercise helps you improve this
  8. 12. you should play like this on the playground