exceptional vs mainstream

exceptional

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. 

noun
  • An exception, or something having an exceptional value 

mainstream

adj
  • Used or accepted broadly rather than by small portions of a population or market. 

verb
  • To become mainstream. 

  • To popularize, to normalize, to render mainstream. 

  • To educate (a disabled student) together with non-disabled students. 

noun
  • That which is common; the norm. 

  • The principal current in a flow, such as a river or flow of air 

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