draw together vs loosen

draw together

verb
  • To cause (someone) to seek emotional support from each other; to cause to pull together or come together. 

loosen

verb
  • 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 become loose. 

  • To disengage (a device that restrains). 

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