SMS vs errand

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) 

errand

verb
  • To send someone on an errand. 

  • To go on an errand. 

noun
  • An oral message trusted to a person for delivery. 

  • A mundane mission of no great consequence, concerning household or business affairs (dropping items by, doing paperwork, going to a friend's house, etc.) 

  • The purpose of such a journey. 

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