unaffableness

• a word derived from affability.
  affability

  noun

  the quality of being pleasantly easy to approach and talk to; friendliness or warm politeness.

More Suggestions

• inaudibleness
• variableness
• unattainableness
• undesirableness
• agreeableness
• audibleness
• desirableness
• memorableness
• comfortableness