exterior vs skeleton

exterior

noun
  • The outside part, parts or surface of something. 

  • Foreign lands. 

adj
  • Being from outside a country; foreign. 

  • Outdoor. 

  • Relating to the outside parts or surface of something. 

skeleton

noun
  • The central core of something that gives shape to the entire structure. 

  • A client-helper procedure that communicates with a stub. 

  • The system that provides support to an organism, internal and made up of bones and cartilage in vertebrates, external in some other animals. 

  • The vertices and edges of a polyhedron, taken collectively. 

  • A very thin person. 

  • A frame that provides support to a building or other construction. 

  • The network of veins in a leaf. 

  • A type of tobogganing in which competitors lie face down, and descend head first. 

  • A very thin form of light-faced type. 

  • Reduced to a minimum or bare essentials. 

  • An anthropomorphic representation of a skeleton. 

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