bravura vs grubby

bravura

adj
  • Overly showy; ostentatious. 

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

  • A display of daring. 

grubby

adj
  • Disreputable, sordid. 

  • Dirty, unwashed, unclean. 

  • Having grubs in it. 

noun
  • Any species of Cottus; a sculpin. 

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