carder vs playing card

carder

noun
  • A carding machine. 

  • A criminal who steals information from credit cards. 

  • A person who distributes tart cards. 

  • A person employed to card wool. 

playing card

noun
  • Any of the usually 52 rectangular pieces of card used to play numerous games, featuring either one to 10 pips or a picture and belonging of one of four suits. 

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