dory vs walleye

dory

noun
  • Any of several different families of large-eyed, silvery, deep-bodied, laterally compressed, and roughly discoid marine fish. 

  • A small flat-bottomed boat with pointed or somewhat pointed ends, used for fishing both offshore and on rivers. 

  • A wooden pike or spear about three metres (ten feet) in length with a flat, leaf-shaped iron spearhead and a bronze butt-spike (called a sauroter), which was the main weapon of hoplites in Ancient Greece. It was usually not thrown but rather thrust at opponents with one hand. 

walleye

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

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

  • An unusually pale eye. 

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