printing press vs printworks

printing press

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

  • A mechanical device used for printing text or images repeatedly. 

printworks

noun
  • Synonym of printing house, an institutional or commercial publisher or a building where printing takes place. 

  • Synonym of printing press, the machinery involved in printing. 

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