complanate vs exterior

complanate

adj
  • Flattened to a level surface. 

verb
  • To make level. 

exterior

adj
  • Relating to the outside parts or surface of something. 

  • Being from outside a country; foreign. 

  • Outdoor. 

noun
  • Foreign lands. 

  • The outside part, parts or surface of something. 

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