columnist vs printshop

columnist

noun
  • A regular writer of a column, such as in a magazine or newspaper 

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 columnist and printshop occurred in a corpus of books? (source: Google Ngram Viewer )