willfulness vs intractableness

willfulness and intractableness both are nouns.

Word	Noun	Adjective	Verb	Adverb
willfulness	Yes	No	No	No
intractableness	Yes	No	No	No

As nouns, intractableness is a hypernym of willfulness; that is, intractableness is a word with a broader meaning than willfulness:

willfulness: the trait of being prone to disobedience and lack of discipline
intractableness: the trait of being hard to influence or control

Other hypernyms of willfulness include intractability.

willfulness (noun)	intractableness (noun)
the trait of being prone to disobedience and lack of discipline	the trait of being hard to influence or control