polling vs popular vote

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. 

popular vote

noun
  • The total number of votes of a given electorate. 

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