insolence vs smugness

insolence

noun
  • Arrogant conduct; insulting, bold behaviour or attitude. 

  • Insolent conduct or treatment; insult. 

smugness

noun
  • The result or product of being smug. 

  • The state or quality of being smug. 

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