originate vs procreate

originate

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

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

procreate

verb
  • To originate, create or produce something. 

  • To beget or conceive (offspring). 

  • To reproduce. 

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