glimmer vs walleye

glimmer

noun
  • A faint light; a dim glow. 

  • A faint or remote possibility. 

  • A flash of light. 

verb
  • To shine with a faint, unsteady light. 

walleye

noun
  • An unusually pale eye. 

  • One or a pair of sideways-looking misaligned eyes. 

  • A species of gamefish, Sander vitreus, native to the Northern U.S. and Canada with pale, reflective eyes. 

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