shamelessness vs temerity

shamelessness

noun
  • An utterance or action which is shameless. 

  • The state or characteristic of being shameless. 

temerity

noun
  • An act or case of reckless boldness. 

  • Reckless boldness; foolish bravery. 

  • Effrontery; impudence. 

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