chronicle vs enroll

chronicle

verb
  • To record in or as in a chronicle. 

noun
  • A written account of events and when they happened, ordered by time. 

enroll

verb
  • To enter (a name, etc.) in a register, roll or list 

  • To enlist oneself (in something) or become a member (of something) 

  • To enlist (someone) or make (someone) a member of 

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