burnside vs facial hair

burnside

noun
  • A moustache, with whiskers on the cheeks but no beard on the chin. 

facial hair

noun
  • Hair on the face of a human, such as the eyebrows of a man or woman or the androgenic hair (beard or moustache) of a man. 

  • Hair on the face of an animal. 

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