playthrough vs walkthrough

playthrough

noun
  • The act, or a recording, of playing a game from start to finish. 

  • The cumulative monetary amount that must be wagered before an account may be withdrawn, typically stated as a multiple of the initial deposit. 

walkthrough

noun
  • 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. 

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

  • 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 playthrough and walkthrough occurred in a corpus of books? (source: Google Ngram Viewer )