lythe vs pollock

lythe

noun
  • A fish, the European pollock. 

pollock

verb
  • To fish for pollock. 

  • To splatter, as with paint. 

noun
  • Either of two lean, white marine food fishes, of the genus Pollachius, in the cod family. 

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