illustrative vs straightforward

illustrative

adj
  • Demonstrative, exemplative, showing an example or demonstrating. 

straightforward

adj
  • direct; forthright; frank; sincere 

  • proceeding in a straight course or manner; not deviating 

  • easy, simple, uncomplicated, without difficulty 

adv
  • In a straightforward manner; straightforwards; straightforwardly. 

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