exterior vs outer

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. 

outer

noun
  • An outer part. 

  • Someone who outs another. 

  • The 4th circle on a target, outside the inner and magpie. 

  • The smallest single unit sold by wholesalers to retailers, usually one retail display box. 

  • A shot which strikes the outer of a target. 

  • One who puts out, ousts, or expels. 

  • An uncovered section of the seating at a stadium or sportsground. 

  • Someone who admits to something publicly. 

  • One who supports leaving the European Union. 

  • An ouster; dispossession. 

adj
  • Outside; external. 

  • Farther from the centre of the inside. 

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