artificial vs vicarial

artificial

adj
  • Insincere; fake, forced, or feigned. 

  • Conveying some meaning other than the actual contents of one's hand. 

  • Not natural or normal: imposed arbitrarily or without regard to the specifics or normal circumstances of a person, a situation, etc. 

  • Man-made; made by humans; of artifice. 

vicarial

adj
  • Delegated; vicarious 

  • Of or pertaining to a vicar 

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