contrariness vs fractiousness

contrariness and fractiousness both are nouns.

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

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

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

Other hypernyms of contrariness include unruliness, wilfulness, willfulness.

contrariness (noun)	fractiousness (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