ground plan vs groundplan

ground plan

noun
  • A diagram showing set layout. 

  • Framework or pattern. 

  • Hypothetical ancestor of a clade. 

  • Floorplan. 

groundplan

noun
  • A diagram showing the physical layout of a set, especially the placement of structures on the stage, as opposed to items on the walls or suspended from the ceiling. 

  • A framework or pattern showing the form of something, without all the details. 

  • A hypothetical anatomical form from which members of a clade are adaptations. 

  • A diagram, usually to scale, showing the layout of the ground level of a building or other physical structure; floorplan. 

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