healful vs nutritious

healful

adj
  • Full of health or safety; healthy; whole; sound; safe. 

  • Tending or serving to heal; health-promoting; healing. 

  • Affording health or salvation. 

nutritious

adj
  • Providing nutrients; healthy to eat. 

  • Salutary. 

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