shinbone vs thighbone

shinbone

noun
  • The inner and usually the larger of the two bones of the leg or hind limb below the knee 

  • A segment of an insect's leg. 

thighbone

noun
  • The bone that extends from the pelvis to the knee in humans; the femur. 

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