film vs substrate

film

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

  • A medium used to capture images in a camera. 

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

  • 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. 

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. 

substrate

noun
  • A surface to which a substance adheres. 

  • An underlying layer; a substratum. 

  • The substance lining the bottom edge of an enclosure. 

  • A surface on which an organism grows, or to which an organism or an item is attached. 

  • A language that is replaced in a population by another language and that influences the language imposed on its speakers. 

  • A metal which is plated with another metal which has different physical properties. 

  • A substance acted upon, as by an enzyme. 

adj
  • Having very slight furrows. 

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