buccal cavity vs jowl

buccal cavity

noun
  • The oral cavity, bound by the cheeks of the face, the palate, and the flesh of the mandible, opening onto the mouth and the fauces, and containing the teeth, tongue, gums, and other structures. 

  • The first part of the stomodaeum, lying just within the mouth; its dilator muscles arising on the clypeus, and inserted before the frontal ganglion and its connectives. 

jowl

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

  • cut of fish including the head and adjacent parts 

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

  • 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 buccal cavity and jowl occurred in a corpus of books? (source: Google Ngram Viewer )