hug vs safety pin

hug

noun
  • A close embrace, especially when charged with such an emotion as represented by: affection, joy, relief, lust, anger, aggression, compassion, and the like, as opposed to being characterized by formality, equivocation or ambivalence (a half-embrace or "little hug"). 

  • A particular grip in wrestling. 

verb
  • To stay close to (the shore etc.) 

  • To cling closely together. 

  • To hold fast; to cling to; to cherish. 

  • To embrace by holding closely, especially in the arms. 

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 hug and safety pin occurred in a corpus of books? (source: Google Ngram Viewer )