disengage vs pull in

disengage

verb
  • To release or loosen from something that binds, entangles, holds, or interlocks. 

noun
  • A circular movement of the blade that avoids the opponent's parry 

pull in

verb
  • To pull something, so that it comes inside. 

  • To earn [money]. 

  • To approach a station; to arrive at a station. 

  • To arrest someone; to take someone to a police station because they may have done something. 

  • To approach or drive up to a place and come to a stop. 

  • To tighten a sail by pulling on a rope. 

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