exceptional vs pedestrian

exceptional

noun
  • An exception, or something having an exceptional value 

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

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

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

pedestrian

noun
  • A walker; one who walks or goes on foot, especially as opposed to one who uses a vehicle. 

adj
  • Of or intended for those who are walking. 

  • Ordinary, dull; everyday; unexceptional. 

  • Pertaining to ordinary, everyday movements incorporated in postmodern dance. 

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