iatric vs remedial

iatric

adj
  • Of or pertaining to a physician or physicians. 

remedial

adj
  • curative; providing a remedy 

  • intended to remediate (i.e., correct or improve) deficient skills in some subject 

noun
  • A pupil enrolled in special classes to improve deficient skills. 

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