flicker vs quiver

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. 

quiver

verb
  • To shake or move with slight and tremulous motion. 

noun
  • A multidigraph. 

  • A ready storage location for figurative tools or weapons. 

  • A container for arrows, crossbow bolts or darts, such as those fired from a bow, crossbow or blowgun. 

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