Lengthiness
Part of speech: noun
Definition: The property of being lengthy, longness.
Prolongation
Part of speech: noun
Definition: The act of prolonging.That which has been prolonged; an extension.
Difference between Lengthiness and Prolongation
What is the difference between Lengthiness and Prolongation?
Lengthiness as a noun is the property of being lengthy, longness. while Prolongation as a noun is the act of prolonging.
We hope you now know whether to use Lengthiness or Prolongation in your sentence.