harlequin vs steelhead

harlequin

noun
  • A harlequin duck. 

  • A greenish-chartreuse color. 

  • A pantomime fool, typically dressed in colorful checkered clothes. 

  • Any of various riodinid butterflies of the genera Taxila and Praetaxila. 

adj
  • Of a greenish-chartreuse color. 

  • Brightly colored, especially in a pattern like that of a harlequin clown's clothes. 

verb
  • To make sport by playing ludicrous tricks. 

  • To remove or conjure away, as if by a harlequin's trick. 

steelhead

noun
  • The ruddy duck. 

  • The anadromous form of the rainbow trout, Oncorhynchus mykiss. 

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