alterative vs beneficial

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. 

beneficial

noun
  • Something that is beneficial. 

adj
  • Helpful or good to something or someone. 

  • Relating to a benefice. 

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