nostrum vs silver bullet

nostrum

noun
  • An ineffective but favorite remedy for a problem, usually involving political action. 

  • A medicine or remedy in conventional use which has not been proven to have any desirable medical effects. 

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 nostrum and silver bullet occurred in a corpus of books? (source: Google Ngram Viewer )