contrariness vs perverseness

contrariness and perverseness both are nouns.

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

As nouns, contrariness and perverseness are synonyms defined as:

contrariness and perverseness: deliberate and stubborn unruliness and resistance to guidance or discipline

Other synonyms of contrariness include perversity.

contrariness (noun)	perverseness (noun)
a fussy and eccentric disposition	deliberate and stubborn unruliness and resistance to guidance or discipline
deliberate and stubborn unruliness and resistance to guidance or discipline	deliberately deviating from what is good