RichThesaurus
obstinacy
vs
unmanageableness
obstinacy
noun
The state, or an act, of stubbornness or doggedness.
unmanageableness
noun
The state or quality of being unmanageable.
How often have the words
obstinacy
and
unmanageableness
occurred in a corpus of books?
(source:
Google Ngram Viewer
)