disparate vs exceptional

disparate

adj
  • Utterly unlike; incapable of being compared; having no common ground. 

  • Composed of inherently different or distinct elements; incongruous. 

  • Essentially different; of different species, unlike but not opposed in pairs 

noun
  • Any of a group of unequal or dissimilar things. 

exceptional

adj
  • Forming an exception; not ordinary; uncommon; rare. 

  • Corresponding to something of lower dimension under a birational correspondence. 

  • Better than the average; superior due to exception or rarity. 

noun
  • An exception, or something having an exceptional value 

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