alterative vs anodyne

alterative

noun
  • A medicine or treatment which works by changing processes within the body, rather than by evacuating something etc. 

adj
  • Gradually changing, or tending to change, a morbid state into a healthy one. 

  • Causing alteration. 

anodyne

noun
  • Any medicine or other agent that relieves pain. 

  • A source of relaxation or comfort. 

adj
  • Noncontentious, blandly agreeable, unlikely to cause offence or debate. 

  • Soothing or relaxing. 

  • Capable of soothing or eliminating pain. 

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