aging vs ancient

aging

adj
  • Becoming elderly. 

noun
  • The process of becoming older or more mature. 

  • The accumulation of damage to macromolecules, cells, tissues and organs with the passage of time; the progressing loss of health, mobility, vibrancy and body functionality, resulting in biological death. 

  • The deliberate process of making something (such as an antique) appear (or, in science fiction, become) older than it is. 

  • Wear; wear and tear. 

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. 

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