diversity vs mishmash

diversity

noun
  • A variety; diverse types or examples. 

  • Equal-opportunity inclusion. 

  • The quality of being diverse or different; difference or unlikeness. 

mishmash

noun
  • A collection containing a variety of miscellaneous things. 

verb
  • To mix together, especially in a confused way. 

  • To become mixed together. 

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