bravura vs obscene

bravura

adj
  • Overly showy; ostentatious. 

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

  • A display of daring. 

obscene

adj
  • Disgusting or repulsive. 

  • Offensive to standards of decency or morality. 

  • Lewd or lustful. 

  • Liable to corrupt or deprave. 

  • Beyond all reason; excessive. 

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