cementum vs mortise

cementum

noun
  • A bony substance that covers the root of a tooth; cement. 

mortise

noun
  • A hole that is made to receive a tenon so as to form a joint. 

  • Stability; power of adhesion. 

verb
  • To adjust the horizontal space between selected pairs of letters; to kern. 

  • To join by a mortise and tenon. 

  • To cut a mortise in. 

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