villainousness vs villainy

villainousness and villainy both are nouns.

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

As nouns, villainousness and villainy are synonyms defined as:

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

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