eventuate vs occur

eventuate

verb
  • To happen as a result; to come about. 

  • To have a given result; to turn out (well, badly etc.); to result in. 

occur

verb
  • To happen or take place. 

  • To present or offer itself. 

  • To be present or found. 

  • To come or be presented to the mind; to suggest itself. 

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