thighbone vs trotter

thighbone

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

trotter

noun
  • A person's foot. 

  • One who trots. 

  • The foot of a pig, sheep, or other quadruped, especially when prepared as meat. 

  • In harness racing, a horse with a gait in which the front and back legs on opposite sides take a step together alternating with the other set of opposite legs; as opposed to a pacer. 

  • A tailor's assistant who goes around to receive orders. 

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