printshop vs publishing house

printshop

noun
  • A shop providing commercial copying and printing services. 

  • A shop that sells prints. 

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

publishing house

noun
  • A company that produces books, magazines, brochures and other texts in print or electronic form. 

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