penetralia vs publicity

penetralia

noun
  • The innermost parts of a building, such as a shrine, recess or a sanctuary within a temple. 

  • The innermost, secret or hidden parts; mysteries. 

publicity

noun
  • Public interest attracted in this way. 

  • The condition of being the object of public attention. 

  • The quality of being public, not private. 

  • Advertising or other activity designed to rouse public interest in something. 

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