calmant vs hypnotic

calmant

noun
  • A calming drug; a sedative. 

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 calmant and hypnotic occurred in a corpus of books? (source: Google Ngram Viewer )