contrariness vs wilfulness

contrariness and wilfulness both are nouns.

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

As nouns, wilfulness is a hypernym of contrariness; that is, wilfulness is a word with a broader meaning than contrariness:

contrariness: deliberate and stubborn unruliness and resistance to guidance or discipline
wilfulness: the trait of being prone to disobedience and lack of discipline

Other hypernyms of contrariness include fractiousness, unruliness, willfulness.

contrariness (noun)	wilfulness (noun)
a fussy and eccentric disposition	the trait of being prone to disobedience and lack of discipline
deliberate and stubborn unruliness and resistance to guidance or discipline