Massiveness
Part of speech: noun
Definition: The property of being massive.
Ponderousness
Part of speech: noun
Definition: The quality of being ponderous.
Massiveness as a noun is the property of being massive. while Ponderousness as a noun is the quality of being ponderous.
Part of speech: noun
Definition: The property of being massive.
Part of speech: noun
Definition: The quality of being ponderous.
We hope you now know whether to use Massiveness or Ponderousness in your sentence.