describe vs map out

describe

verb
  • To represent in words. 

  • To give rise to a geometrical structure. 

  • To introduce a new taxon to science by explaining its characteristics and particularly how it differs from other taxa. 

  • To represent by drawing; to draw a plan of; to delineate; to trace or mark out. 

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 describe and map out occurred in a corpus of books? (source: Google Ngram Viewer )