ignore vs rebuff

ignore

verb
  • To deliberately not listen or pay attention to. 

  • To pretend to not notice someone or something. 

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 ignore and rebuff occurred in a corpus of books? (source: Google Ngram Viewer )