bravura vs filthy

bravura

adj
  • Overly showy; ostentatious. 

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

  • A display of daring. 

filthy

adj
  • Very unpleasant or disagreeable. 

  • Covered with filth; very dirty. 

  • Obscene or offensive. 

verb
  • To make very dirty; to saturate something with dirt. 

  • To cover in filth. 

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