cuff vs loosen

cuff

verb
  • To handcuff. 

  • To hit, as a reproach, particularly with the open palm to the head; to slap. 

  • To fight; to scuffle; to box. 

  • To buffet. 

  • To furnish with cuffs. 

noun
  • The scruff of the neck. 

  • handcuffs 

  • the end of a shirt sleeve that covers the wrist 

  • A blow, especially with the open hand; a box; a slap. 

  • the end of a pants leg, folded up 

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 cuff and loosen occurred in a corpus of books? (source: Google Ngram Viewer )