lithograph vs printshop

lithograph

noun
  • A printed image produced by lithography. 

verb
  • To create a copy of an image through lithography. 

printshop

noun
  • A shop that sells prints. 

  • A shop providing commercial copying and printing services. 

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

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