drive home vs drub

drive home

verb
  • To emphasize (a point) with tangible or powerful demonstration. 

  • Used other than figuratively or idiomatically: see drive, home. 

  • To push something into position completely by force. 

drub

verb
  • To forcefully teach something. 

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

  • To defeat someone soundly; to annihilate or crush. 

  • To criticize harshly; to excoriate. 

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

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