Changelessness
Part of speech: noun
Definition: The state or quality of being changeless.
Unchangeableness
Part of speech: noun
Definition: The state or quality of being unchangeable; immutability.
Changelessness as a noun is the state or quality of being changeless. while Unchangeableness as a noun is the state or quality of being unchangeable; immutability.
Part of speech: noun
Definition: The state or quality of being changeless.
Part of speech: noun
Definition: The state or quality of being unchangeable; immutability.
We hope you now know whether to use Changelessness or Unchangeableness in your sentence.