map out vs put down (on paper)

map out

verb
  • To create a map of an area. 

  • To make explicit; to explain in detail. 

  • To organise a plan; to analyze a situation; to figure out a problem. 

put down (on paper)

How often have the words map out and put down (on paper) occurred in a corpus of books? (source: Google Ngram Viewer )