blend vs enlighten

blend

verb
  • To be mingled or mixed. 

  • To mingle; to mix; to unite intimately; to pass or shade insensibly into each other. 

noun
  • A mixture of two or more things. 

  • A word formed by combining two other words; a grammatical contamination, portmanteau word. 

enlighten

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

  • To supply with light. 

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