retardation vs submission

retardation

noun
  • That which retards; an obstacle; an obstruction. 

  • The distance by which one wave is behind another. 

  • The extent to which anything is retarded; the result of any retarding or delay; mental, social, or physical slowness. 

  • Deceleration; reduction in the magnitude of velocity. 

  • Extreme stupidity. 

  • A decrease in the speed of telegraph signalling. 

  • A suspension which resolves upwards. 

  • The act of diminishing the rate of speed. 

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