celluloid vs cinema

celluloid

noun
  • The genre of cinema; film. 

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

cinema

noun
  • The film and movie industry. 

  • A movie theatre, a movie house 

  • Films collectively. 

  • The art of making films and movies; cinematography 

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