1. availability the quality of being at hand when needed
  2. unavailability the quality of not being available when needed
  3. believability the quality of being believable or trustworthy
  4. fallibility the quality or likelihood of making errors
  5. volubility the quality of being facile in speech and writing
  6. pliability the quality of yielding or adapting readily
  7. infallibility the quality of never making an error
  8. profitability the quality of affording gain or benefit or profit
  9. available obtainable or accessible and ready for use or service
  10. liability the state of being legally obliged and responsible
  11. assailability vulnerability to forceful attack
  12. navigability the quality of being suitable for the passage of a ship or aircraft
  13. viability the state of being capable of normal growth and development
  14. Bowiea volubilis much-branched leafless twining South African herb cultivated as an ornamental for its bright green stems growing from large aboveground bulbs
  15. Davalia bullata feathery fern of tropical Asia and Malaysia
  16. variability the quality of being subject to change
  17. scalability the quality of being scalable
  18. probability a measure of how likely it is that some event will occur
  19. divisibility the quality of being divisible
  20. palatability acceptability to the mind or feelings