map out vs originate

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. 

originate

verb
  • To cause (someone or something) to be; to bring (someone or something) into existence; to produce or initiate a person or thing. 

  • To come into existence; to have origin or beginning; to spring, be derived (from, with). 

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