film vs nap

film

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. 

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. 

nap

verb
  • To form or raise a soft or fuzzy surface on (fabric or leather). 

  • To have a nap; to sleep for a short period of time, especially during the day. 

  • To be off one's guard. 

  • To cover (something) with a sauce. (usually in the passive) 

noun
  • A card game in which players take tricks; properly Napoleon. 

  • A soft or fuzzy surface, generally on fabric or leather. 

  • A cup, bowl. 

  • A bid to take five tricks in the card game Napoleon. 

  • The common direction, on some kinds of fabric, of the hairs making up the pile. 

  • A short period of sleep, especially one during the day. 

  • A type of bet in British horse racing, based on the experts' best tips. 

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