familiar vs pal

familiar

adj
  • Of or pertaining to a family; familial. 

  • Known to one, or generally known; commonplace. 

  • Intimate or friendly. 

  • Acquainted. 

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. 

pal

verb
  • Be friends with, hang around with. 

noun
  • An informal term of address, often used ironically in a hostile way. 

  • A friend, buddy, mate, cobber; someone to hang around with. 

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