film vs froth

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. 

froth

verb
  • To cover with froth. 

  • To spit, vent, or eject, as froth. 

  • (of a liquid) To bubble. 

  • To create froth in (a liquid). 

  • (literally) To spew saliva as froth; (figuratively) to rage, vent one's anger. 

noun
  • foam 

  • Thousands of African children die each day: why do the newspapers continue to discuss unnecessary showbiz froth? 

  • Highly speculative investment. 

  • The idle rich; 

  • unimportant or insubstantial talk, events, or actions; drivel 

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