break-off vs drub

break-off

verb
  • To play the first shot in a game of snooker 

noun
  • That which breaks off, or is broken off 

  • A break, discontinuance, or interruption 

  • The first shot in a game of snooker or other cue-game 

drub

verb
  • To beat (someone or something) with a stick. 

  • To defeat someone soundly; to annihilate or crush. 

  • To forcefully teach something. 

  • To criticize harshly; to excoriate. 

noun
  • Carbonaceous shale; small coal; slate, dross, or rubbish in coal. 

How often have the words break-off and drub occurred in a corpus of books? (source: Google Ngram Viewer )