blood vessel vs edder

blood vessel

noun
  • A component of the circulatory system, such as an artery, capillary, or vein, that carries blood. 

edder

noun
  • An adder or snake. 

  • Flexible wood worked into the top of hedge stakes, to bind them together. 

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