coffin dodger vs fossil

coffin dodger

noun
  • An elderly person, a person close to death, or good at avoiding death. 

  • An alcoholic drink, sometimes drunk as a hangover "cure". 

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  • An extremely old or outdated person.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  • Anything extremely old, extinct, or outdated.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

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