ataraxic vs downer

ataraxic

noun
  • An ataractic or tranquilizing agent. 

adj
  • ataractic; tranquilizing 

  • Of or pertaining to ataraxia or ataraxy 

downer

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

  • A livestock animal that has collapsed. 

  • A negative drug trip. 

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

  • A drug that has depressant qualities. 

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