facial hair vs mane

facial hair

noun
  • Hair on the face of an animal. 

  • 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. 

mane

noun
  • Longer hair growth on back of neck of an animal, especially a horse or lion 

  • Long or thick hair of a person's head. 

  • Part of a naval sword between the tang button and the quillon. 

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