bravura vs forbidding

bravura

adj
  • Overly showy; ostentatious. 

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

  • A display of daring. 

forbidding

adj
  • Appearing to be threatening, unfriendly or potentially unpleasant. 

noun
  • The act by which something is forbidden; a prohibition. 

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