cingulum vs waist

cingulum

noun
  • The clitellus of earthworms. 

  • A ridge that girdles the base of an upper molar tooth. 

  • The girdle of an alb. 

  • A distinct girdle or band of color; a raised spiral line as seen on certain univalve shells. 

  • A collection of white matter fibers projecting from the cingulate gyrus to the entorhinal cortex in the brain, allowing for communication between components of the limbic system. 

waist

noun
  • The narrow connection between the thorax and abdomen in certain insects (e.g., bees, ants and wasps). 

  • That part of the upper deck of a ship between the quarterdeck and the forecastle. 

  • A part of a piece of clothing that covers the waist. 

  • The middle portion of the hull of a ship or the fuselage of an aircraft. 

  • The part of the body between the pelvis and the stomach. 

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