acclaim vs oppress

acclaim

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

  • 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. 

noun
  • An acclamation; a shout of applause. 

oppress

verb
  • To make sad or gloomy. 

  • To keep down by unjust force. 

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