Difference between Inflexibleness and Inflexibility

What is the difference between Inflexibleness and Inflexibility?

Inflexibleness as a noun is the quality or state of being inflexible; inflexibility; rigidity; firmness. while Inflexibility as a noun is the quality or state of being inflexible, or not capable of being bent or changed; unyielding stiffness; inflexibleness; rigidity; obstinacy.

We hope you now know whether to use Inflexibleness or Inflexibility in your sentence.