impudence vs pertness

impudence

noun
  • The quality of being impudent, not showing due respect. 

  • Impudent language, conduct or behavior. 

pertness

noun
  • The quality of being pert; cheekiness, impudence. 

  • The quality of being pert; firmness (usually of breasts). 

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