celluloid vs cinematography

celluloid

noun
  • The genre of cinema; film. 

  • Any of a variety of thermoplastics created from nitrocellulose and camphor, once used as photographic film. 

cinematography

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

  • Motion picture photography. 

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