cad vs snake

cad

noun
  • A low-bred, presuming person; a mean, vulgar fellow, especially one that cannot be trusted with a lady. 

snake

noun
  • Somebody who acts deceitfully for social gain. 

  • A series of Bézier curves. 

  • The seventh Lenormand card. 

  • A flavoured jube (confectionary) in the shape of a snake. 

  • A tool to aid cable pulling. 

  • A legless reptile of the suborder Serpentes with a long, thin body and a fork-shaped tongue. 

  • A treacherous person; a rat. 

  • Trouser snake; the penis. 

  • An informer; a rat. 

  • A tool for unclogging plumbing. 

verb
  • To wind round spirally, as a large rope with a smaller, or with cord, the small rope lying in the spaces between the strands of the large one; to worm. 

  • To inform; to rat. 

  • To clean using a plumbing snake. 

  • To follow or move in a winding route. 

  • To steal slyly. 

  • To drag or draw, as a snake from a hole; often with out. 

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