bravura vs hard-boiled

bravura

adj
  • Overly showy; ostentatious. 

noun
  • A highly technical or difficult piece, usually written for effect. 

  • A display of daring. 

hard-boiled

adj
  • Callous and unsentimental. 

  • Written in a laconic, dispassionate, often ironic style for a realistic, unsentimental effect. 

  • Cooked to a solid consistency. 

How often have the words bravura and hard-boiled occurred in a corpus of books? (source: Google Ngram Viewer )