perverse vs perverseness

perverse is not a noun while perverseness is a noun.

Word	Noun	Adjective	Verb	Adverb
perverse	No	Yes	No	No
perverseness	Yes	No	No	No

perverse (noun)	perverseness (noun)
	deliberate and stubborn unruliness and resistance to guidance or discipline
	deliberately deviating from what is good

perverse (adjective)	perverseness (adjective)
deviating from what is considered moral or right or proper or good
resistant to guidance or discipline
marked by a disposition to oppose and contradict