rehearsal vs walkthrough

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. 

walkthrough

noun
  • A theatrical or film rehearsal in which the actors move around the stage or set but are not in costume. 

  • A playthrough that details the steps involved in winning the game. 

  • A financial audit that traces a sample transaction through the system to ensure that it is processed and reported correctly. 

  • The process of inspecting algorithms and source code by following paths through the algorithms or code as determined by input conditions and choices made along the way. 

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