chest vs rib cage

chest

noun
  • The portion of the front of the human body from the base of the neck to the top of the abdomen; the thorax. Also the analogous area in other animals. 

  • A hit or blow made with one's chest. 

  • A chest of drawers. 

  • A box, now usually a large strong box with a secure convex lid. 

  • The place in which public money is kept; a treasury. 

  • Debate; quarrel; strife; enmity. 

verb
  • To hit with one's chest (front of one's body) 

  • To deposit in a chest. 

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. 

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