blend vs clustering

blend

noun
  • A mixture of two or more things. 

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

verb
  • To be mingled or mixed. 

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

clustering

noun
  • A grouping of a number of similar things. 

  • The undesirable contiguous grouping of elements in a hash table. 

  • A prewriting technique consisting of writing ideas down on a sheet of paper around a central idea within a circle, with the related ideas radially joined to the circle using rays. 

  • The grouping of a population based on ethnicity, economics or religion. 

adj
  • Forming a cluster. 

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