bravura vs rakish

bravura

adj
  • Overly showy; ostentatious. 

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

  • A display of daring. 

rakish

adj
  • Dashingly, carelessly, or sportingly unconventional or stylish; jaunty; characterized by a devil-may-care unconventionality; having a somewhat disreputable quality or appearance. 

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