beat off vs rebuff

beat off

verb
  • To drive something away with blows or military force. 

  • To waste time. 

  • To masturbate, usually a man of himself. 

rebuff

verb
  • To refuse; to offer sudden or harsh resistance; to turn down or shut out. 

  • To buff again. 

noun
  • Repercussion, or beating back. 

  • He was surprised by her quick rebuff to his proposal. 

  • A sudden resistance or refusal. 

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