healful vs sane

healful

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

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

  • Affording health or salvation. 

sane

adj
  • Being in a healthy condition; not deranged; thinking rationally. 

  • Mentally sound; possessing a rational mind; having the mental faculties in such condition as to be able to anticipate and judge the effect of one's actions in an ordinary manner. 

  • Rational; reasonable; sensible. 

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