Caucus-Race vs caucus race

Caucus-Race

caucus race

noun
  • The competitive process in which a political party selects their candidate, especially presidential; a primary election via caucus. 

  • A political competition; the game of campaigning and one-upmanship to get votes and be elected. 

  • A laborious but arbitrary and futile activity; an activity that amounts to running around in a circle, expending great energy but not accomplishing anything. 

  • A win-win system; a positive system in which everybody wins. 

How often have the words Caucus-Race and caucus race occurred in a corpus of books? (source: Google Ngram Viewer )