1. zealous marked by active interest and enthusiasm
  2. sedulousness the quality of being constantly diligent and attentive
  3. callousness a lack of sympathy or regard for others
  4. seriousness an earnest and sincere feeling
  5. sleaziness morally dishonorable
  6. biliousness gastric distress caused by a disorder of the liver or gall bladder
  7. ceaselessness the quality of something that continues without end or interruption
  8. sinuousness having curves
  9. lousiness the quality of being disgusting to the senses or emotions
  10. uselessness the quality of having no practical use
  11. sinlessness the state of being unsullied by sin or moral wrong
  12. lusciousness extreme appetizingness
  13. lawlessness illegality as a consequence of unlawful acts
  14. perilousness the state of being dangerous
  15. closeness the spatial property resulting from a relatively small distance
  16. sallowness a sickly yellowish skin color
  17. joylessness a feeling of dismal cheerlessness
  18. eyelessness blindness due to loss of the eyes
  19. falseness the state of being false or untrue
  20. looseness freedom from restraint

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