get to vs illustrate

get to

verb
  • To affect adversely; to upset or annoy. 

  • To be allowed to. 

  • To reach or arrive at (a physical or abstract destination, or state of doing a certain activity). 

  • To intimidate. 

  • To go to or be located at (a particular place). 

illustrate

verb
  • To clarify something by giving, or serving as, an example or a comparison. 

  • To provide a book or other publication with pictures, diagrams or other explanatory or decorative features. 

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