analgesic vs laxative

analgesic

noun
  • Any medicine, such as aspirin, that reduces pain, especially without inducing a loss of other sensation. (Contrast anesthetic.) 

adj
  • Acting to relieve pain; being an analgesic. 

  • Unable to feel pain. 

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 analgesic and laxative occurred in a corpus of books? (source: Google Ngram Viewer )