flicker vs new bug

flicker

noun
  • One who flicks. 

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

  • An unsteady flash of light. 

  • A short moment. 

verb
  • To flutter or flap. 

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

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

new bug

noun
  • A new pupil. 

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