anesthetic vs laxative

anesthetic

noun
  • A substance administered to reduce the perception of pain or to induce numbness for surgery and may render the recipient unconscious. 

adj
  • Insensate: unable to feel, or unconscious. 

  • Causing anesthesia; reducing pain sensitivity. 

laxative

noun
  • Any substance, such as a food or in the form of a medicine which has a laxative effect. 

adj
  • Having the effect of moving the bowels, or aiding digestion and preventing constipation. 

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