clinch vs safety pin

clinch

noun
  • A hitch or bend by which a rope is made fast to the ring of an anchor, or the breeching of a ship's gun to the ringbolts. 

  • Any of several fastenings. 

  • A passionate embrace. 

  • The act or process of holding fast; that which serves to hold fast. 

  • The act of one or both fighters holding onto the other to prevent being hit or engage in standup grappling. 

verb
  • To clasp; to interlock. 

  • To embrace passionately. 

  • To make certain; to finalize. 

  • To hold firmly; to clench. 

  • To bend and hammer the point of (a nail) so it cannot be removed. 

  • To set closely together; to close tightly. 

  • To fasten securely or permanently. 

safety pin

noun
  • A pin in the form of a clasp, which has a guard to cover the sharp point; used to join two pieces of fabric, etc., together temporarily. 

  • The pin of a hand grenade, which prevents accidental detonation. 

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