demulcent vs moisturizing

demulcent

adj
  • Soothing or softening. 

noun
  • A soothing medication used to relieve pain in inflamed tissues. 

moisturizing

adj
  • That moisturizes. 

noun
  • The act of making something moist; especially, of a cosmetic, making the skin or hair less dry. 

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