printworker vs printworks

printworker

noun
  • Synonym of printmaker, a person who works making prints of works of art, (particularly) a relatively unskilled employee. 

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 printworker and printworks occurred in a corpus of books? (source: Google Ngram Viewer )