film vs instrument

film

noun
  • 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. 

  • 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. 

instrument

noun
  • A device used to produce music. 

  • A legal document, such as a contract, deed, trust, mortgage, power, indenture, or will. 

  • A means or agency for achieving an effect. 

  • A tool, implement used for manipulation or measurement. 

  • A person used as a mere tool for achieving a goal. 

  • A measuring or displaying device. 

verb
  • To devise, conceive, cook up, plan. 

  • To perform upon an instrument; to prepare for an instrument. 

  • To apply measuring devices. 

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