downer vs hypnotic

downer

noun
  • A drug that has depressant qualities. 

  • A livestock animal that has collapsed. 

  • A negative drug trip. 

  • A form of industrial action in which workers down tools and refuse to work. 

  • Something or someone disagreeable, dispiriting or depressing; a killjoy. 

hypnotic

noun
  • A soporific substance. 

  • A person who is, or can be, hypnotized. 

adj
  • Of, or relating to hypnosis or hypnotism. 

  • Inducing sleep; soporific. 

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