shinbone vs tibia

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. 

tibia

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

  • The third segment from the end of an arachnid's leg, between the patella and metatarsus. 

  • The second segment from the end of an insect's leg, between the femur and tarsus. 

  • A musical instrument of the flute kind, originally made of the leg bone of an animal. 

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