cyberspace vs internet

cyberspace

noun
  • A three-dimensional representation of virtual space in a computer network. 

  • A world of information accessed through the Internet. 

internet

noun
  • Any set of computer networks that communicate using the Internet Protocol; an intranet. 

  • A fictitious unit of scoring awarded for making outstanding posts on the internet. 

  • Internet access or connection; internet connectivity. 

verb
  • To use the Internet; specifically, to search for information using the Internet. 

  • To connect (a computer, an electronic device, etc.) into a computer network (in particular, the Internet). 

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