flamboyance vs loudness

flamboyance

noun
  • The condition of being flamboyant. 

loudness

noun
  • the perceptual strength or amplitude of sound pressure, measured in sones or phons 

  • the physical strength of the sound pressure level, measured in decibels 

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