general election vs show of hands

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. 

show of hands

noun
  • A vote in which people raise a hand in order to state their agreement with something. 

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