goad vs tranquilizer

goad

verb
  • To encourage or stimulate. 

  • To incite or provoke. 

  • To prod with a goad. 

noun
  • That which goads or incites; a stimulus. 

  • A long, pointed stick used to prod animals. 

tranquilizer

noun
  • That which tranquillizes or soothes. 

  • A drug used to reduce anxiety or tension. 

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