dispersal vs rodeo

dispersal

noun
  • The act or result of dispersing or scattering; dispersion. 

  • A dispersal prison. 

rodeo

verb
  • To perform in a rodeo show. 

noun
  • A gathering of cattle to be branded. 

  • An entertainment event associated with the sport. 

  • A North American sport involving skills with horses, cows and other livestock. 

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