rib cage vs soma

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. 

soma

noun
  • The whole axial portion of an animal, including the head, neck, trunk, and tail. 

  • The corporeal body, as distinguished from the psyche or soul and the pneuma or spirit. 

  • A ritual drink in ancient Vedic culture, obtained by pressing the Soma plant. 

  • The bulbous part of a neuron, containing the cell nucleus. 

  • Any kind of intoxicating drug. 

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