disseminated vs prevalent

disseminated

adj
  • spread around; widespread 

  • spread over a wide area of the body or of an organ 

prevalent

adj
  • Widespread or preferred. 

  • Superior in frequency or dominant. 

noun
  • A species that is prevalent in a certain area. 

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