election vs polls

election

noun
  • The choice of a leader or representative by popular vote. 

  • In Calvinism, God's predestination of saints including all of the elect. 

  • A process of choosing a leader, members of parliament, councillors, or other representatives by popular vote. 

  • An option that is selected. 

polls

noun
  • A place where votes are cast in elections. 

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