motion picture vs sound film

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 

sound film

noun

  • A film with sound, as opposed to a silent film 

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