baldric vs cingulum

baldric

noun
  • A broad belt used to hold a sword, sometimes richly ornamented, worn diagonally from shoulder to hip (across the breast, and under the opposite arm); less properly, any belt. 

cingulum

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

  • The clitellus of earthworms. 

  • 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. 

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