RichThesaurus
audaciousness
vs
obstinence
audaciousness
noun
Impudence.
Risky or daring behaviour.
obstinence
noun
Synonym of obstinacy; Misspelling of obstinance.
How often have the words
audaciousness
and
obstinence
occurred in a corpus of books?
(source:
Google Ngram Viewer
)