carry out vs top it off

carry out

verb
  • To execute or perform; to put into operation; to do. 

  • To hold while moving it out. 

  • To fulfill. 

top it off

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

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