rehearsal vs tune-up

rehearsal

noun
  • A preparatory activity analogous to the rehearsal of a show. 

  • The act of rehearsing or contriving something; the fact of something's being rehearsed. 

  • The practicing of something which is to be performed before an audience, usually to test or improve the interaction between several participating people, or to allow technical adjustments with respect to staging to be done. 

tune-up

noun
  • A series of preparations for vigorous exercise; a warm-up 

  • A series of adjustments to an engine in order to improve its performance 

  • A match or race (frequently one exhibition in nature) contested as preparation for a match or race of high stakes. 

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