nostrum vs recuperative

nostrum

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

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

recuperative

noun
  • Any remedy that aids recuperation. 

adj
  • In the way of recuperation. 

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