ancient vs centenary

ancient

adj
  • Having lasted from a remote period; having been of long duration; of great age, very old. 

  • Relating to antiquity as a primarily European historical period; the time before the Middle Ages. 

  • Existent or occurring in time long past, usually in remote ages; belonging to or associated with antiquity; old, as opposed to modern. 

noun
  • One of the senior members of the Inns of Court or of Chancery. 

  • A person who is very old. 

  • A person who lived in ancient times. 

centenary

adj
  • Lasting or aged 100 years, 100-year-old. 

  • Occurring every 100 years. 

noun
  • Synonym of hundredman: a position in the Anglo-Saxon kingdoms overseeing local administration. 

  • Synonym of centgrave: a position in the Frankish Empire overseeing local administration. 

  • Synonym of hundredweight, especially (historical) in Greek and Roman contexts. 

  • Synonym of centennial: a hundredth anniversary. 

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