dignity vs sangfroid

dignity

noun
  • The state of being dignified or worthy of esteem: elevation of mind or character. 

  • One holding high rank; a dignitary. 

  • High office, rank, or station. 

  • Decorum, formality, stateliness. 

  • The male genitalia. 

sangfroid

noun
  • Composure, self-possession or imperturbability especially when in a dangerous situation. 

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