impudence vs sass

impudence

noun
  • Impudent language, conduct or behavior. 

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

sass

noun
  • Backtalk, cheek, sarcasm. 

verb
  • To talk, to talk back. 

  • To speak insolently to. 

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