obstinence vs temerity

obstinence

noun
  • Synonym of obstinacy; Misspelling of obstinance. 

temerity

noun
  • Effrontery; impudence. 

  • Reckless boldness; foolish bravery. 

  • An act or case of reckless boldness. 

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