willfulness vs intractability

willfulness and intractability both are nouns.

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

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

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

Other hypernyms of willfulness include intractableness.

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