bout vs mano a mano

bout

noun
  • A fighting competition. 

  • A roller derby match. 

  • A bulge or widening in a musical instrument, such as either of the two characteristic bulges of a guitar. 

  • An assault (a fencing encounter) at which the score is kept. 

  • A boxing match. 

  • A period of something, especially one painful or unpleasant. 

prep
  • Aphetic form of about 

verb
  • To contest a bout. 

mano a mano

noun
  • A head-on conflict or direct competition. 

adv
  • Characterized by head-to-head competition or conflict. 

adj
  • in close confrontation 

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