disease-free vs healthy

disease-free

adj
  • free of disease, not having, carrying, or suffering from any disease. 

healthy

adj
  • Enjoying good health; well; free from disease or disorder. 

  • Conducive to health. 

  • Evincing health. 

  • Significant, hefty; beneficial. 

How often have the words disease-free and healthy occurred in a corpus of books? (source: Google Ngram Viewer )