cestus vs cingulum

cestus

noun
  • A leather fighting glove, frequently weighted with metal. 

cingulum

noun
  • The girdle of an alb. 

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

  • The clitellus of earthworms. 

  • 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 cestus and cingulum occurred in a corpus of books? (source: Google Ngram Viewer )