partitioning vs severance

partitioning

noun
  • The act or result of dividing into partitions; an arrangement of partitions. 

severance

noun
  • The act of severing or the state of being severed. 

  • A separation. 

  • A severance payment. 

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