decent vs exceptional

decent

adj
  • Fair; good enough; okay. 

  • Sufficiently clothed or dressed to be seen. 

  • Having a suitable conformity to basic moral standards; showing integrity, fairness, or other characteristics associated with moral uprightness. 

  • Significant; substantial. 

  • Conforming to perceived standards of good taste. 

exceptional

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

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

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

noun
  • An exception, or something having an exceptional value 

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