friction vs submission

friction

noun
  • (Second Sino-Japanese War) Conflict, as between the Communists and non-Hanjian Kuomintang forces. 

  • The rubbing of one object or surface against another. 

  • A force that resists the relative motion or tendency to such motion of two bodies in contact. 

  • Conflict, as between persons having dissimilar ideas or interests; clash. 

submission

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

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

  • The act of submitting or yielding; surrender. 

  • The thing which has been submitted. 

  • A subset or component of a mission. 

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