knackwurst vs pud

knackwurst

noun
  • A highly seasoned scalded sausage made from beef, pork, and fatty tissue similar to a frankfurter, but shorter and thicker. 

pud

noun
  • Pudding (either sweet or savoury). 

  • Child's hand; child's fist. 

  • Penis. 

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