protestation vs submission

protestation

noun
  • a formal solemn objection or other declaration 

  • A declaration in common-law pleading, by which the party interposes an oblique allegation or denial of some fact, protesting that it does or does not exist, and at the same time avoiding a direct affirmation or denial. 

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 protestation and submission occurred in a corpus of books? (source: Google Ngram Viewer )