catholicon vs patent medicine

catholicon

noun
  • A supposed universal remedy. 

  • A large urban church used for large gatherings. 

patent medicine

noun
  • A medicine that is protected by a patent. 

  • Any medicine with a proprietary formula which can be bought without a prescription, irrespective of whether it is protected by a patent. 

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