rehearse vs warm up

rehearse

verb
  • To cause to rehearse; to instruct by rehearsal. 

  • 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 

warm up

verb
  • To prepare for an activity by carrying out a practice or preparation routine. 

  • To reach, or cause to reach, a normal operating temperature (of a car for example). 

  • To become warmer. 

  • To heat or reheat (e.g. food). 

  • To do gentle exercise, stretching etc., in order to prepare the body for more vigorous exercise. 

  • To make (an audience) enthusiastic or animated before a show 

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