printed matter vs publicity

printed matter

noun
  • Printed material produced by printers and publishers, including books, magazines, brochures, booklets, publicity material and newspapers, especially in relation to cheaper postage rates on such material. 

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 printed matter and publicity occurred in a corpus of books? (source: Google Ngram Viewer )