buccal cavity vs cheek

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. 

cheek

noun
  • The soft skin on each side of the face, below the eyes; the outer surface of the sides of the oral cavity. 

  • The middle section of a flask, made so that it can be moved laterally, to permit the removal of the pattern from the mould. 

  • One of the genae, flat areas on the sides of a trilobite's cephalon. 

  • Either side of an axehead. 

  • Impudence. 

  • The branches of a bridle bit. . 

  • One of the pieces of a machine, or of timber or stonework, that form corresponding sides or a similar pair. 

  • pump-cheek, pump-cheeks, a piece of wood cut out fork-shaped in which the brake is fastened by means of a bolt and can thus move around and move the upper box of the pump up and down 

  • The lower part of the buttocks that is often exposed beneath very brief underwear, swimwear, or extremely short shorts. 

verb
  • To pull a horse's head back toward the saddle using the cheek strap of the bridle. 

  • To be impudent towards. 

  • Don't cheek me, you little rascal! 

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