samba vs war dance

samba

noun
  • A Brazilian ballroom dance or dance style. 

  • A Brazilian musical genre, to which the aforementioned dance is danced, which has its roots in West Africa via the slave trade. 

verb
  • To dance the samba. 

war dance

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

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