herring vs menhaden

herring

noun
  • A type of small, oily fish of the genus Clupea, often used as food. 

  • Fish in the family Clupeidae. 

  • Fish similar to those in genus Clupea, many of those in the order Clupeiformes. 

menhaden

noun
  • Any of several species of fish in the genera Brevoortia and Ethmidium, used for fish meal, fish oil, fertilizer, and bait. 

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