pay attention vs rebuff

pay attention

verb
  • To attend; to be attentive; to focus one's attention. 

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