familiar vs rookie

familiar

noun
  • An attendant spirit, often in animal or demon form. 

  • The officer of the Inquisition who arrested suspected people. 

  • A member of a pope's or bishop's household. 

adj
  • Of or pertaining to a family; familial. 

  • Known to one, or generally known; commonplace. 

  • Intimate or friendly. 

  • Acquainted. 

rookie

noun
  • A type of firecracker, used by farmers to scare rooks. 

  • A novice. 

  • An athlete either new to the sport or to a team or in his first year of professional competition, especially said of baseball, basketball, hockey and American football players. 

  • An inexperienced recruit, especially in the police or armed forces. 

adj
  • non-professional; amateur 

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