lizard vs pipe snake

lizard

noun
  • Lizard skin, the skin of these reptiles. 

  • A coward. 

  • A hand forming a "D" shape with the tips of the thumb and index finger touching (a handshape resembling a lizard), that beats paper and Spock and loses to rock and scissors in rock-paper-scissors-lizard-Spock. 

  • Any reptile of the order Squamata that is not a snake or an amphisbaenian, usually having four legs, external ear openings, movable eyelids and a long slender body and tail. 

  • A person who idly spends time in a specified place, especially a promiscuous female. 

  • An unctuous person. 

pipe snake

noun
  • Shieldtail snake, family Uropeltidae. 

  • Synonym of plumber's snake 

How often have the words lizard and pipe snake occurred in a corpus of books? (source: Google Ngram Viewer )