acclaim vs obscurity

acclaim

verb
  • To express great approval (for). 

  • To elect (a politician, etc.) to an office automatically because no other candidates run; elect by acclamation. 

  • To declare by acclamations. 

  • To salute or praise with great approval; to compliment; to applaud; to welcome enthusiastically. 

noun
  • An acclamation; a shout of applause. 

obscurity

noun
  • The state of being unknown; a thing that is unknown. 

  • The quality of being difficult to understand; a thing that is difficult to understand. 

  • Darkness; the absence of light. 

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