dewlap vs jowl

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. 

jowl

noun
  • the cheek; especially the cheek meat of a hog. 

  • cut of fish including the head and adjacent parts 

  • the jaw, jawbone; especially one of the lateral parts of the mandible. 

  • a fold of fatty flesh under the chin, around the cheeks, or lower jaw (as a dewlap, wattle, crop, or double chin). 

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