iatric vs sanitary

iatric

adj
  • Of or pertaining to a physician or physicians. 

sanitary

adj
  • Of, or relating to health. 

  • Clean and free from pathogens; hygienic. 

noun
  • Sanitary towel. 

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