plan vs spark

plan

verb
  • To intend. 

  • To create a plan for. 

  • To design (a building, machine, etc.). 

  • To make a plan. 

noun
  • A drawing showing technical details of a building, machine, etc., with unwanted details omitted, and often using symbols rather than detailed drawing to represent doors, valves, etc. 

  • A subscription to a service. 

  • A set of intended actions, usually mutually related, through which one expects to achieve a goal. 

  • A method; a way of procedure; a custom. 

  • A two-dimensional drawing of a building as seen from above with obscuring or irrelevant details such as roof removed, or of a floor of a building, revealing the internal layout; as distinct from the elevation. 

spark

verb
  • To shoot; to fire 

  • To trigger, kindle into activity (an argument, etc). 

  • To give off a spark or sparks. 

  • To light; to kindle. 

noun
  • A small, shining body, or transient light; a sparkle. 

  • Any of various lycaenid butterflies of the Indomalayan genus Sinthusa. 

  • An electrician. 

  • A small amount of something, such as an idea or romantic affection, that has the potential to become something greater, just as a spark can start a fire. 

  • A small particle of glowing matter, either molten or on fire. 

  • A ship's radio operator. 

  • A short or small burst of electrical discharge. 

  • A gallant; a foppish young man. 

  • A beau, lover. 

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