narrate vs rehearse

narrate

verb
  • To relate (a story or series of events) in speech or writing. 

  • To give an account. 

rehearse

verb
  • To narrate; to relate; to tell. 

  • To contrive and carefully prepare (a story, etc.) to offer consistency. 

  • To repeat, as what has been already said; to tell over again; to recite. 

  • To practise by recitation or repetition in private for experiment and improvement, prior to a public representation, especially in theater 

  • To cause to rehearse; to instruct by rehearsal. 

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