acting vs personation

acting

noun
  • The occupation of an actor. 

  • Pretending. 

  • Something done by a party — so called to avoid confusion with the legal senses of deed and action. 

adj
  • Temporarily assuming the duties or authority of another person when they are unable to do their job. 

personation

noun
  • The act of personating: the playing of a role or portrayal of a character 

  • The roles or characters so played 

  • The act of voting in an election by impersonating someone else. 

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