blunder vs enlighten

blunder

noun
  • A clumsy or embarrassing mistake. 

  • A very bad move, usually caused by some tactical oversight. 

verb
  • To make a clumsy or stupid mistake. 

  • To do or treat in a blundering manner; to confuse. 

  • To move blindly or clumsily. 

  • To cause to make a mistake. 

enlighten

verb
  • To make something clear to (someone); to give knowledge or understanding to. 

  • To supply with light. 

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