delineate vs map out

delineate

verb
  • To outline or mark out. 

  • To describe or depict with words or gestures. 

  • To depict, represent with pictures. 

  • To sketch out, draw or trace an outline. 

map out

verb
  • To make explicit; to explain in detail. 

  • To create a map of an area. 

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

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