exterior vs inward

exterior

adj
  • Being from outside a country; foreign. 

  • Outdoor. 

  • Relating to the outside parts or surface of something. 

noun
  • Foreign lands. 

  • The outside part, parts or surface of something. 

inward

adv
  • Towards the inside. 

  • Towards one’s mind, thoughts, or internal self. 

adj
  • Not superficially obvious, inner, not expressed, especially relating to mental or spiritual faculties as opposed to external ones. 

  • Moving or tending toward the inside. 

  • Situated on the inside; that is within, inner; belonging to the inside. 

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