embed vs let go

embed

verb
  • To lay (something) as in a bed; to lay in surrounding matter; to bed. 

  • To encapsulate within another document or data file. 

  • To define a one-to-one function from one set to another so that certain properties of the domain are preserved when considering the image as a subset of the codomain. 

  • To include (something) in surrounding matter. 

noun
  • An element of an advertisement, etc. serving as a subliminal message. 

  • An embedded reporter or journalist, such as a war reporter assigned to and travelling with a military unit, or a political reporter assigned to follow and report on the campaign of a candidate. 

  • An item embedded in another document. 

let go

verb
  • Used other than figuratively or idiomatically: see let, go. 

  • To dismiss from employment. 

  • To release from one's grasp; to go from a state of holding on to a state of no longer holding on. 

  • To ignore (a comment, etc.). 

  • To emotionally disengage or to distract oneself from a situation. 

  • To fail to maintain a standard of appearance, behavior, or performance. 

  • To gain weight 

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