eidolon vs film

eidolon

noun
  • An image or representation of an idea; a representation of an ideal form; an apparition of some actual or imaginary entity, or of some aspect of reality. 

  • A phantom, a ghost or elusive entity. 

  • An unsubstantial image, spectre, phantom. 

film

noun
  • A visual art form that consists of a sequence of still images preserved on a recording medium to give the illusion of motion; movies generally. 

  • A medium used to capture images in a camera. 

  • A slender thread, such as that of a cobweb. 

  • A thin layer of some substance; a pellicle; a membranous covering, causing opacity. 

verb
  • To cover or become covered with a thin skin or pellicle. 

  • To visually record (activity, or a motion picture) in general, with or without sound. 

  • To record (activity, or a motion picture) on photographic film. 

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