general election vs polling

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. 

polling

noun
  • the process of voting in an election. 

  • The action of taking a poll. 

  • A technique that continually interrogates a peripheral or service to see if it has data to transfer. 

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