liniment vs moisturizing

liniment

noun
  • A topical medical preparation intended to be rubbed into the skin with friction, as for example to relieve symptoms of arthritis. 

verb
  • To apply liniment to. 

moisturizing

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

adj
  • That moisturizes. 

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