dispersal vs wrangling

dispersal

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

  • A dispersal prison. 

wrangling

noun
  • a dispute; a contentious argument; a brawl 

  • dispute; disputation; quarreling 

  • contention; gainstriving 

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