exterior vs middle

exterior

noun
  • Foreign lands. 

  • The outside part, parts or surface of something. 

adj
  • Being from outside a country; foreign. 

  • Outdoor. 

  • Relating to the outside parts or surface of something. 

middle

noun
  • A centre, midpoint. 

  • The part between the beginning and the end. 

  • The middle stump. 

  • The central part of a human body; the waist. 

  • The middle voice. 

adj
  • Pertaining to the middle voice. 

  • Located in the middle; in between. 

  • Central. 

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