death sentence vs last roundup

death sentence

noun
  • Anything that spells death. 

  • A decree that someone be put to death as a punishment for a crime; a sentence of execution. 

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 death sentence and last roundup occurred in a corpus of books? (source: Google Ngram Viewer )