discern vs overlook

discern

verb
  • To perceive, recognize, or comprehend with the mind; to descry. 

  • To distinguish something as being different from something else; to differentiate. 

  • To detect with the senses, especially with the eyes. 

  • To perceive differences. 

overlook

verb
  • To fail to notice; to look over and beyond (anything) without seeing it. 

  • To offer a view (of something) from a higher position. 

  • To pretend not to have noticed (something, especially a mistake or flaw); to pass over (something) without censure or punishment. 

noun
  • A vista or point that gives a beautiful view. 

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