fossil vs weazen

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  • An extremely old or outdated person.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  • Anything extremely old, extinct, or outdated.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. 

weazen

noun
  • An old person. 

adj
  • Thin; sharp; withered; wizened. 

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