wildness vs fractiousness

wildness and fractiousness both are nouns.

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

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

wildness: an unruly disposition to do as one pleases
fractiousness: the trait of being prone to disobedience and lack of discipline

Other hypernyms of wildness include unruliness, wilfulness, willfulness.

wildness (noun)	fractiousness (noun)
an intractably barbarous or uncultivated state of nature	the trait of being prone to disobedience and lack of discipline
an unruly disposition to do as one pleases
the property of being wild or turbulent
a feeling of extreme emotional intensity