cyberman vs cyborg

cyberman

noun
  • A human intertwined with electronic components; often implies the result is more electronic than biological. 

cyborg

noun
  • A human, animal or other being with electronic or bionic prostheses. 

  • A being which is part machine and part organic. 

verb
  • To convert (something) into a cyborg. 

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