bravura vs two-faced

bravura

adj

  • Overly showy; ostentatious. 

noun

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

  • A display of daring. 

two-faced

adj

  • Deceitful, duplicitous. 

  • Hypocritical. 

  • Having two faces or plane surfaces. 

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