bird dog vs explore

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. 

explore

verb
  • To (seek) experience first hand. 

  • To travel somewhere in search of discovery. 

  • To be engaged exploring in any of the above senses. 

  • To examine diagnostically. 

  • To seek sexual variety, to sow one's wild oats. 

  • To wander without any particular aim or purpose. 

  • To examine or investigate something systematically. 

noun
  • An exploration; a tour of a place to see what it is like. 

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