pristine vs sanitary

pristine

adj
  • Unspoiled; still with its original purity; uncorrupted or unsullied. 

  • Perfect. 

  • Primitive, pertaining to the earliest state of something. 

  • Relating to sawfishes of the family Pristidae. 

sanitary

adj
  • Clean and free from pathogens; hygienic. 

  • Of, or relating to health. 

noun
  • Sanitary towel. 

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