arrogance vs effrontery

arrogance

noun
  • The state of being arrogant; a type of extreme or foolish pride in which someone feels much superior to another. 

effrontery

noun
  • An act of insolent and shameless audacity. 

  • Insolent and shameless audacity. 

How often have the words arrogance and effrontery occurred in a corpus of books? (source: Google Ngram Viewer )