hesitation vs temerity

hesitation

noun
  • A faltering in speech; stammering. 

  • doubt; vacillation. 

  • An act of hesitating 

temerity

noun
  • Reckless boldness; foolish bravery. 

  • An act or case of reckless boldness. 

  • Effrontery; impudence. 

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