SMS vs email

SMS

verb
  • To send a message on a cell phone. 

noun
  • SMS — Seiner Majestät Schiff – literally, "His Majesty's Ship" in German; 

  • A ship prefix for a ship in the navy of the Empire of Germany (usually for the period leading to WWI and WWI) 

email

verb
  • To send (something) through email. 

  • To send, or compose and send, an email or emails. 

  • To send an email or emails to. 

noun
  • A message sent through an email system. 

  • An email address. 

  • A system for transferring messages from one computer to another, usually through a network. 

  • A quantity of messages sent through an email system. 

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