celluloid vs moviedom

celluloid

noun
  • The genre of cinema; film. 

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

moviedom

noun
  • The world of movies and movie production 

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