airmail vs internet

airmail

verb
  • To send mail by air. 

  • To (unintentionally) throw the ball well over a fielder's head where that fielder is unable to make a play on the ball. 

noun
  • The items of mail so carried. 

  • The system of conveying mail using aircraft. 

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. 

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