follow vs introduce

follow

verb
  • To carry out (orders, instructions, etc.). 

  • To walk in, as a road or course; to attend upon closely, as a profession or calling. 

  • To understand, to pay attention to. 

  • To subscribe to see content from an account on a social media platform. 

  • To live one's life according to (religion, teachings, etc). 

  • To be a logical consequence of something. 

  • To watch, to keep track of (reports of) some event or person. 

  • To go or come after in a sequence. 

  • To go after; to pursue; to move behind in the same path or direction, especially with the intent of catching. 

noun
  • In billiards and similar games, a stroke causing a ball to follow another ball after hitting it. 

  • The act of following another user's online activity. 

introduce

verb
  • To bring (something) into practice. 

  • To cause (someone) to be acquainted (with someone else). 

  • To add (something) to a system, a mixture, or a container. 

  • To make (something or someone) known by formal announcement or recommendation. 

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