bravura vs unearthly

bravura

adj
  • Overly showy; ostentatious. 

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

  • A display of daring. 

unearthly

adj
  • Ridiculous, ludicrous, or outrageous. 

  • Ideal beyond the mundane. 

  • Preternatural or supernatural. 

  • Strange, enigmatic, or mysterious. 

  • Not of the earth; non-terrestrial. 

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