cinematograph vs cinematography

cinematograph

noun
  • A camera that could develop its own film and served as its own projector. 

verb
  • To employ the techniques of cinematography. 

cinematography

noun
  • Motion picture photography. 

  • The art, process, or job of filming movies. 

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