safeguard vs submission

safeguard

noun
  • Something that serves as a guard or protection; a defense. 

  • A safe-conduct or passport, especially in time of war. 

  • One who, or that which, defends or protects; defence; protection. 

verb
  • To escort safely. 

  • To implement safeguarding. 

  • To protect, to keep safe. 

submission

noun
  • A subset or component of a mission. 

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

  • The act of submitting or yielding; surrender. 

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

  • The thing which has been submitted. 

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