bird dog vs friend

bird dog

noun
  • A person who tries to steal someone else's romantic partner 

  • A dog, especially a pointer, used in shooting to retrieve the dead birds. 

  • A tout. 

  • A person who seeks out real estate investment opportunities in exchange for a fee. 

  • A radar detector (for detecting police speed traps). 

  • A hyperextension exercise performed lying on the knees, with one arm and the opposite leg lifted. 

verb
  • A multiservice tactical brevity code requesting configuration of sensors. 

  • To seek out. 

  • To watch closely. 

friend

noun
  • A person, typically someone other than a family member, spouse or lover, whose company one enjoys and towards whom one feels affection. 

  • A lover; a boyfriend or girlfriend. 

  • Used as a form of address when warning someone. 

  • A spring-loaded camming device. 

  • A person with whom one is vaguely or indirectly acquainted. 

  • A person who backs or supports something. 

  • Used to refer collectively to a group of associated individuals, especially those comprising a cast, company, or crew 

  • A function or class granted special access to the private and protected members of another class. 

  • An associate who provides assistance. 

  • An object or idea that can be used for good. 

verb
  • To add (a person) to a list of friends on a social networking site; to officially designate (someone) as a friend. 

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