popularity vs prominence

popularity

noun
  • The quality or state of being popular; especially, the state of being esteemed by, or of being in favor with, the people at large 

prominence

noun
  • The state of being prominent: widely known or eminent. 

  • A bulge: something that bulges out or is protuberant or projects from a form. 

  • Autonomous height; relative height or prime factor; a concept used in the categorization of hills and mountains. 

  • A gaseous projection, often loop-shaped, springing from the surface of the Sun or a star. 

  • Relative importance. 

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