cad vs wanker

cad

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

wanker

noun
  • An ineffectual person. 

  • Someone who shows off too much, a poser or poseur; someone who is overly self-satisfied. 

  • A penis. 

  • An annoying person. 

  • An idiot, a stupid person. 

  • A very informal address used between friends. 

  • A person who wanks. 

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