printed matter vs printshop

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. 

printshop

noun
  • Synonym of printing house, an institutional or commercial mass publisher. 

  • A shop that sells prints. 

  • A shop providing commercial copying and printing services. 

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