choice vs primary election

choice

noun
  • An option; a decision; an opportunity to choose or select something. 

  • One selection or preference; that which is chosen or decided; the outcome of a decision. 

  • Anything that can be chosen. 

  • The power to choose. 

  • Do I have a choice of what color to paint it? 

  • The best or most preferable part. 

intj
  • Cool; excellent. 

adj
  • Especially good or preferred. 

primary election

noun
  • A preliminary election to select a political candidate of a political party. 

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