dissimilitude vs diversification

dissimilitude

noun
  • The quality of being diverse or different; lack of resemblance. 

diversification

noun
  • The act, or the result, of diversifying. 

  • A corporate strategy in which a company acquires or establishes a business other than that of its current product. 

  • An investment strategy involving investing in a range of assets with differing features in order to reduce specific risk. 

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