emulate vs reproduce

emulate

verb
  • To copy or imitate, especially a person. 

  • of a program or device: to imitate another program or device 

reproduce

verb
  • To produce an image or copy of. 

  • To generate or propagate offspring or organisms sexually or asexually. 

  • To bring something to mind; to recall. 

  • To produce again; to recreate. 

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