cession vs surrendering

cession

noun
  • The giving up of rights, property etc. which one is entitled to. 

  • A risk, or part of one, which is transferred from one actor to another. 

  • That which is ceded. 

surrendering

noun
  • An act of surrender. 

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