bird dog vs stickybeak

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. 

stickybeak

verb
  • To pry or snoop. 

noun
  • An act of looking at or watching something, especially something which does not directly concern the one looking. 

  • An overly inquisitive person, a nosey parker. 

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