oppression vs submission

oppression

noun
  • The exercise of authority or power in a burdensome, cruel, or unjust manner. 

  • The act of oppressing, or the state of being oppressed. 

  • A feeling of being oppressed. 

submission

noun
  • The act of submitting or yielding; surrender. 

  • The act of submitting or giving e.g. a completed piece of work. 

  • A submission hold in wrestling, mixed martial arts, or other combat sports. 

  • The thing which has been submitted. 

  • A subset or component of a mission. 

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