anxiolytic vs laudanum

anxiolytic

noun
  • A drug prescribed for the treatment of symptoms of anxiety. 

adj
  • That reduces anxiety; tranquilizing 

laudanum

noun
  • A tincture of opium, once widely used for various medical purposes and as a recreational drug. 

verb
  • To cause (a person) to be high on laudanum. 

  • To add laudanum to (a drink or the like). 

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