realistic vs unopinionated

realistic

adj
  • Expressed or represented as being accurate, practicable, or not idealistic. 

  • Relating to the representation of objects, actions or conditions as they actually are or were. 

unopinionated

adj
  • Not opinionated; without strong opinions. 

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