flaneur vs flicker

flaneur

verb
  • To wander aimlessly or at a lounging pace. 

noun
  • One who wanders aimlessly, who roams, who travels at a lounging pace. 

  • An idler, a loafer. 

flicker

verb
  • To keep going on and off; to appear and disappear for short moments; to flutter. 

  • To flutter or flap. 

  • To burn or shine unsteadily, or with a wavering light. 

noun
  • Any of certain small woodpeckers, especially of the genus Colaptes. 

  • One who flicks. 

  • An unsteady flash of light. 

  • A short moment. 

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