relegation vs submittal

relegation

noun
  • The act of being relegated 

  • Moving from one division to a lower one, due to poor results 

submittal

noun
  • The act of submitting; submission 

  • Data about a product, such as shop drawings, material data, or samples. 

  • Something submitted or to be submitted; a submission. 

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