abdomen vs medial

abdomen

noun
  • 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. 

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

  • 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. 

medial

noun
  • Any of various things that occur in the middle. 

  • One or more letters that occur in the middle of a word. 

adj
  • Of or pertaining to the media and/or the areas of the wing next to it. 

  • Pertaining to the inside; closer to the median plane of the body or the midline of an organ. 

  • (of a speech sound) In the middle of a word. 

  • Closer to the addressee. 

  • Of or pertaining to a mean or average. 

  • Pertaining to the middle layer of a blood vessel, to its tunica media. 

  • (of a consonant) Central: produced when air flows across the center of the mouth over the tongue. 

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