cleanup vs clear-out

cleanup

noun
  • The act of cleaning or tidying something. 

  • Fourth in the batting order; a cleanup hitter. 

clear-out

noun
  • The act of emptying a room or space. 

  • A semicircular sweep with the ball grasped firmly in both hands. 

How often have the words cleanup and clear-out occurred in a corpus of books? (source: Google Ngram Viewer )