anxiolytic vs aspirin

anxiolytic

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

adj
  • That reduces anxiety; tranquilizing 

aspirin

noun
  • an analgesic drug, acetylsalicylic acid 

  • a tablet containing this substance 

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