bravura vs niggardly

bravura

adj
  • Overly showy; ostentatious. 

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

  • A display of daring. 

niggardly

adj
  • Withholding for the sake of meanness; stingy, miserly. 

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