Mournfulness
Part of speech: noun
Definition: The property of being mournful.
Sorrowfulness
Part of speech: noun
Definition: The quality or state of sorrow; sadness.
Mournfulness as a noun is the property of being mournful. while Sorrowfulness as a noun is the quality or state of sorrow; sadness.
Part of speech: noun
Definition: The property of being mournful.
Part of speech: noun
Definition: The quality or state of sorrow; sadness.
We hope you now know whether to use Mournfulness or Sorrowfulness in your sentence.