bird dog vs peep

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. 

peep

verb
  • To take a look at; check out. 

  • To look, especially through a narrow opening, or while trying not to be seen or noticed. 

  • To speak briefly with a quiet voice. 

  • To make a soft, shrill noise like a baby bird. 

  • To begin to appear; to look forth from concealment; to make the first appearance. 

noun
  • The sound of a steam engine's whistle; typically shrill. 

  • A quick look or glimpse, especially a furtive one. 

  • A feeble utterance or complaint. 

  • A sandpiper or other small wader. 

  • The first partial appearance of something; a beginning to appear. 

  • A short, soft, high-pitched sound, as made by a baby bird. 

  • person. 

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