compositor vs typesetter

compositor

noun
  • A person who sets type; a typesetter. 

  • One who, or that which, composes or sets in order. 

  • A system that puts images together in a buffer (such as individual windows on a desktop) to generate a final display image. 

typesetter

noun
  • A person who sets type; an employee in a printshop who manually selected pieces of movable type and assembled them for printing. 

  • A machine that combines type in the correct order for printing. 

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