foxtrot vs war dance

foxtrot

noun
  • A ballroom dance with a slow-slow-quick-quick rhythm. 

  • A pace with short steps, as in changing from trotting to walking. 

verb
  • To dance the foxtrot. 

war dance

noun
  • A ceremonial dance performed before a major battle or after a victory, usually by a tribe. 

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