bird dog vs scan

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. 

scan

verb
  • To look about for; to look over quickly. 

  • To examine sequentially, carefully, or critically; to scrutinize; to behold closely. 

  • To read with an electronic device. 

  • To conform to a metrical structure. 

  • To perform lexical analysis; to tokenize. 

  • To inspect, analyse or go over, often to find something. 

  • To read or mark so as to show a specific metre. 

  • To create an image of something with the use of a scanner. 

noun
  • Close investigation. 

  • An instance of scanning. 

  • The result or output of a scanning process. 

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