dormition vs last roundup

dormition

noun
  • The process of death or the actual death itself. 

  • The death and assumption into heaven of the Virgin Mary. 

  • The process of falling asleep. 

last roundup

noun
  • Death. 

  • A final gathering of people or items; the final event in a series of events involving a group or organization. 

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