last roundup vs silence

last roundup

noun
  • Death. 

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

silence

noun
  • deadly silence 

  • The act of refraining from speaking. 

  • The absence of any sound. 

intj
  • Be silent. 

verb
  • To repress the expression of something. 

  • To suppress criticism, etc. 

  • To block gene expression. 

  • To murder. 

  • To make (someone or something) silent. 

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