menhaden vs pauhagen

menhaden

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

pauhagen

noun
  • menhaden (fish) 

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