procreation vs reproduction

procreation

noun
  • The sexual activity of conceiving and bearing biological offspring 

  • The process by which an organism produces others of its biological kind 

reproduction

noun
  • The act of reproducing new individuals biologically. 

  • The act of making copies. 

  • A copy of something, as in a piece of art; a duplicate. 

  • A method for reproducing a bug or problem. 

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