misunderstood vs unapprehended

misunderstood

adj
  • Not comprehended correctly. 

  • Unfairly disliked as a result of prejudice, slander, or hasty assumptions. 

unapprehended

adj
  • Not understood. 

  • Not apprehended. 

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