cure-all vs placebo

cure-all

noun
  • Synonym of panacea: a medicine or practice that cures all human ailments. 

placebo

noun
  • A dummy medicine containing no active ingredients; an inert treatment. 

  • The vespers sung in the office for the dead. 

How often have the words cure-all and placebo occurred in a corpus of books? (source: Google Ngram Viewer )