grab vs letting go

grab

verb
  • To consume something quickly. 

  • To take the opportunity of. 

  • To restrain someone; to arrest. 

  • To make a sudden grasping or clutching motion (at something). 

  • To grip the attention of; to enthrall or interest. 

  • To grip suddenly; to seize; to clutch. 

  • To quickly collect or retrieve. 

noun
  • An acquisition by violent or unjust means. 

  • A device for withdrawing drills, etc., from artesian and other wells that are drilled, bored, or driven. 

  • A two- or three-masted vessel used on the Malabar coast. 

  • A mechanical device that grabs or clutches. 

  • A sound bite. 

  • A simple card game. 

  • A sudden snatch at something. 

letting go

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