floor plan vs tracing

floor plan

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

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

tracing

noun
  • A record in the form of a graph made by a device such as a seismograph. 

  • The process of finding something that is lost by studying evidence. 

  • A regular path or track; a course. 

  • The reproduction of an image made by copying it through translucent paper. 

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