recuperative vs salutary

recuperative

adj
  • In the way of recuperation. 

noun
  • Any remedy that aids recuperation. 

salutary

adj
  • Effecting or designed to effect an improvement; remedial: salutary advice. 

  • Promoting good health and physical well-being; wholesome; curative. 

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