balm of Gilead vs silver bullet

balm of Gilead

noun
  • A remedy believed to cure all disease; panacea. 

  • A rare perfume produced in Gilead and used medicinally, mentioned in the Bible. It is sometimes thought to have come from the plant Commiphora gileadensis, and sometimes from a terebinth tree in the genus Pistacia. 

silver bullet

noun
  • Any straightforward solution perceived to have great effectiveness or bring miraculous results. 

  • A thermometer, especially one used for rectal temperature readings. 

  • A cocktail somewhat like a martini. 

  • A bullet made of silver, usually with reference to the folkloric belief that such bullets are the only weapons which can kill a werewolf, vampire, or other monster. 

How often have the words balm of Gilead and silver bullet occurred in a corpus of books? (source: Google Ngram Viewer )