bluster vs war whoop

bluster

noun
  • Fitful noise and violence. 

  • A gust of wind. 

  • Pompous, officious talk. 

verb
  • To act or speak in an unduly threatening manner. 

  • To blow in strong or sudden gusts. 

  • To speak or protest loudly. 

war whoop

noun
  • In war, a yell to fight. 

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