prevalent vs systemic

prevalent

adj
  • Widespread or preferred. 

  • Superior in frequency or dominant. 

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

systemic

adj
  • Embedded within and spread throughout and affecting a whole system, group, body, economy, market, or society. 

  • Pertaining to an entire organism. 

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