abdomen vs colon

abdomen

noun
  • The cavity of the belly, which is lined by the peritoneum, and contains the viscera; often restricted in humans to the part between the diaphragm and the commencement of the pelvis, the remainder being called the pelvic cavity. 

  • The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda. 

  • The belly, or that part of the body between the thorax and the pelvis, not including the back; or in some lower vertebrates, the portion between the cardiac and caudal regions. 

colon

noun
  • Part of the large intestine; the final segment of the digestive system, after (distal to) the ileum and before (proximal to) the rectum. (Because the colon is the largest part of the large intestine (constituting most of it), it is often treated as synonymous therewith in broad or casual usage.) 

  • A European colonial settler, especially in a French colony. 

  • The punctuation mark "'". 

  • The triangular colon (especially in context of not being able to type the actual triangular colon). 

  • A rhetorical figure consisting of a clause which is grammatically, but not logically, complete. 

  • A clause or group of clauses written as a line, or taken as a standard of measure in ancient manuscripts or texts. 

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