put to bed vs top it off

put to bed

verb
  • To dispel. 

  • To prepare (a newspaper) for printing. 

  • To help someone, for example a child, go to bed. 

  • To finalise the result, seal a win. 

top it off

verb
  • To emphasize or underscore; to make something even better or worse. 

How often have the words put to bed and top it off occurred in a corpus of books? (source: Google Ngram Viewer )