bird dog vs follow

bird dog

verb
  • To watch closely. 

  • A multiservice tactical brevity code requesting configuration of sensors. 

  • To seek out. 

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

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

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

follow

verb
  • To understand, to pay attention to. 

  • To walk in, as a road or course; to attend upon closely, as a profession or calling. 

  • To subscribe to see content from an account on a social media platform. 

  • To live one's life according to (religion, teachings, etc). 

  • To carry out (orders, instructions, etc.). 

  • To be a logical consequence of something. 

  • To watch, to keep track of (reports of) some event or person. 

  • To go or come after in a sequence. 

  • To go after; to pursue; to move behind in the same path or direction, especially with the intent of catching. 

noun
  • In billiards and similar games, a stroke causing a ball to follow another ball after hitting it. 

  • The act of following another user's online activity. 

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