facial hair vs stubble

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. 

stubble

noun
  • Short, coarse hair, especially on a man’s face. 

  • The short stalks left in a field after crops have been harvested. 

verb
  • To produce a crop in a field of stubble that remains after a preceding crop is removed, either by sowing a second crop or by allowing shoots to sprout from the roots of the stubble. 

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