centenarian vs medieval

centenarian

adj
  • Of or relating to centenarians or a centenary celebration. 

  • Aged 100 years or more; extremely old. 

noun
  • One who or that which is at least 100 years old. 

medieval

adj
  • Archaic. 

  • Of or relating to the Middle Ages, the period from approximately 500 to 1500 AD. 

  • Brutal. 

noun
  • Someone living in the Middle Ages. 

  • A medieval example (of something aforementioned or understood from context). 

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