rebuff vs shun

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. 

shun

verb
  • To avoid, especially persistently; ostracize. 

  • To screen, hide. 

  • To escape (a threatening evil, an unwelcome task etc). 

  • To shove, push. 

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