extrinsic vs individual

extrinsic

adj
  • not belonging to something; outside 

  • external; separable from the thing itself; inessential 

noun
  • An external factor 

individual

adj
  • Not divisible without losing its identity. 

  • Intended for a single person as opposed to more than one person. 

  • Relating to a single person or thing as opposed to more than one. 

noun
  • An object, be it a thing or an agent, as contrasted to a class. 

  • A person considered alone, rather than as belonging to a group of people. 

  • An element belonging to a population. 

  • A single physical human being as a legal subject, as opposed to a legal person such as a corporation. 

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