Merriness
Part of speech: noun
Definition: The property of being merry.
Humorousness
Part of speech: noun
Definition: The state or quality of being humorous.The result or product of being humorous.
Merriness as a noun is the property of being merry. while Humorousness as a noun is the state or quality of being humorous.
Part of speech: noun
Definition: The property of being merry.
Part of speech: noun
Definition: The state or quality of being humorous.The result or product of being humorous.
We hope you now know whether to use Merriness or Humorousness in your sentence.