elector vs selector

elector

noun
  • A person eligible to vote in an election; a member of an electorate, a voter. 

  • A member of an electoral college; specifically (US) an official selected by a state as a member of the Electoral College to elect the president and vice president of the United States. 

  • A person eligible to vote to elect a Member of Parliament. 

selector

noun
  • Someone or something which selects or chooses. 

  • An administrator responsible for selecting which players will play for a side. 

  • A matching expression in a stylesheet determining which elements in the markup are affected by a style. 

  • A text string transmitted to a Gopher server, identifying the resource to be retrieved. 

  • A person who is entitled to choose a tract of Crown land to purchase. 

  • A pointer to a structure describing a segment of memory. 

  • A disc jockey. 

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