bravura vs niggard

bravura

adj
  • Overly showy; ostentatious. 

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

  • A display of daring. 

niggard

adj
  • Miserly or stingy. 

  • Sparing; stinting; parsimonious. 

verb
  • To hoard; to act stingily. 

noun
  • A false bottom in a grate, used for saving fuel. 

  • A miser or stingy person; a skinflint. 

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