embed vs loosen

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. 

loosen

verb
  • To become loose. 

  • To make loose. 

  • To free from restraint; to set at liberty. 

  • To become unfastened or undone. 

  • To relieve (the bowels) from constipation; to promote defecation. 

  • To disengage (a device that restrains). 

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