fetlock vs seta

fetlock

noun
  • The tuft of hair that grows at this joint. 

  • A joint of the horse's leg below the knee or hock and above the hoof. 

seta

noun
  • A bristle or hair 

  • The stalk of a moss sporangium, or occasionally in a liverwort. 

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