internet vs voicemail

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). 

voicemail

noun
  • A computerized interactive system for storing, processing and reproducing verbal messages left through a conventional telephone network. 

  • An individual message on such a system. 

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