ham hock vs loin

ham hock

noun
  • The cut of meat at the joint between the leg and foot of a hog. 

loin

noun
  • Any of several cuts of meat taken from this part of an animal 

  • The part of the body (of humans and quadrupeds) at each side of the backbone, between the ribs and hips 

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