internet vs puzzle

internet

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

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

puzzle

verb
  • To make intricate; to entangle. 

  • To think long and carefully, in bewilderment. 

  • To perplex, confuse, or mystify; to cause (someone) to be faced with a mystery, without answers or an explanation. 

noun
  • Anything that is difficult to understand or make sense of. 

  • A riddle. 

  • The state of being puzzled; perplexity. 

  • A game for one or more people that is more or less difficult to work out or complete. 

  • A jigsaw puzzle. 

  • A crossword puzzle. 

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