barbel vs dewlap

barbel

noun
  • A barb or pap under the tongues of horses and cattle. 

  • A freshwater fish of the genus Barbus or other closely related genera. 

  • Whisker-like sensory organs, located around the mouth of certain fish, including catfish, carp, goatfish, sturgeon, and some types of shark. 

dewlap

noun
  • The pendulous skin under the neck of an ox, or a similar feature on any other animal. 

  • The sagging flesh on the throat of an elderly human. 

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