floor plan vs ground plan

floor plan

noun
  • A diagram, usually to scale, showing the layout of a building. 

  • A layout representation of where the major functional blocks of an integrated circuit will be physically placed. 

ground plan

noun
  • A diagram showing set layout. 

  • Framework or pattern. 

  • Hypothetical ancestor of a clade. 

  • Floorplan. 

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