aperient vs lenitive

aperient

adj
  • Having a gentle laxative effect. 

noun
  • A laxative, either in the form of a medicine or a food such as asparagus or hops, which has the effect of moving the bowels, or aiding digestion and preventing constipation. 

lenitive

adj
  • Laxative; easing the bowels. 

  • Mild; gentle. 

  • Analgesic, able to reduce pain or suffering. 

noun
  • A laxative. 

  • An analgesic or other source of relief from pain 

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