bird dog vs haunt

bird dog

verb
  • To seek out. 

  • A multiservice tactical brevity code requesting configuration of sensors. 

  • To watch closely. 

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. 

haunt

verb
  • To stalk; to follow. 

  • To accustom; habituate; make accustomed to. 

  • To inhabit or to visit frequently (most often used in reference to ghosts). 

  • To make uneasy, restless. 

  • To practise; to devote oneself to. 

  • To persist in staying or visiting. 

noun
  • A place at which one is regularly found; a habitation or hangout. 

  • A ghost. 

  • A lair or feeding place of animals. 

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