fossil vs genarian

fossil

noun
  • An extremely old or outdated person. 

  • The mineralized remains of an animal or plant. 

  • Any preserved evidence of ancient life, including shells, imprints, burrows, coprolites, and organically-produced chemicals. 

  • Anything extremely old, extinct, or outdated. 

  • A fossil word. 

genarian

noun
  • An elderly person, especially one over the age of 60. 

adj
  • Concerning rules or principles as opposed to acts. 

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