colophon vs printshop

colophon

noun
  • A printer's or publisher's identifying inscription or logo appearing at the front or end of a book, or the same appearing on the spine or dust jacket. 

  • A page on a website identifying the details of its creation, such as the author's name and the technologies used. 

  • In manuscripts (typically before the invention of printing), the note, usually at the end, left by the scribe who copied it, giving information on their exemplar, where and when the copy was made, and sometimes, their own name. 

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