ankle vs talus

ankle

noun
  • The skeletal joint which connects the foot with the leg; the uppermost portion of the foot and lowermost portion of the leg, which contain this skeletal joint. 

verb
  • To walk. 

  • To cyclically angle the foot at the ankle while pedaling, to maximize the amount of work applied to the pedal during each revolution. 

talus

noun
  • The bone of the ankle. 

  • A sloping heap of fragments of rock lying at the foot of a precipice. 

  • The slope of an embankment wall, which is thicker at the bottom than at the top. 

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