ballot paper vs general election

ballot paper

noun
  • A voting form; the paper upon which a vote is cast during a ballot. 

general election

noun
  • An election, usually held at regular intervals, in which candidates are elected in all or most constituencies or electoral districts of a nation. 

  • An erection. 

How often have the words ballot paper and general election occurred in a corpus of books? (source: Google Ngram Viewer )