blend vs go hand in hand

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. 

go hand in hand

verb
  • Of two things, to be closely related or to go together well; see hand in hand. 

  • Of two people, to hold hands. 

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