Difference between Dispassion and Dispassionateness

What is the difference between Dispassion and Dispassionateness?

Dispassion as a noun is freedom from passion; an undisturbed state; apathy. while Dispassionateness as a noun is the state or quality of being dispassionate.

We hope you now know whether to use Dispassion or Dispassionateness in your sentence.