loin vs rib cage

loin

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

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

rib cage

noun
  • A part of the skeleton within the thoracic area consisting of ribs, sternum and thoracic vertebrae. 

  • The enclosed area created by and within the ribs. 

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