motion picture vs photoplay

motion picture

noun
  • A movie. 

  • A sequence of images depicting people or objects in motion, preserved on a recording medium and capable of being projected for viewing. 

name
  • a sequence of images that cause the illusion of motion 

photoplay

noun
  • A theatrical play that has been filmed for showing as a movie. 

  • A novel adapted from a movie and illustrated with photographic stills taken from the film. Usage largely confined to the silent era of Hollywood. 

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