villainy vs villainousness

villainy and villainousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
villainy	Yes	No	No	No
villainousness	Yes	No	No	No

As nouns, villainy and villainousness are synonyms defined as:

villainy and villainousness: the quality of evil by virtue of villainous behavior

villainy (noun)	villainousness (noun)
a criminal or vicious act	the quality of evil by virtue of villainous behavior
the quality of evil by virtue of villainous behavior