contra vs other side

contra

noun
  • A contra dance. 

  • A deal to swap goods or services. 

  • A conservative; originally tied to Nicaraguan counter-revolutionaries. 

  • An entry (or account) that cancels another entry (or account). 

  • Any of the musical instruments in the contrabass range, e.g. contrabassoon, contrabass clarinet or, especially, double bass. 

verb
  • To undo; to reverse. 

adv
  • contrary to something 

prep
  • against; contrary or opposed to; in opposition or contrast to 

other side

noun
  • Used other than figuratively or idiomatically: see other, side. 

  • The afterlife, as a supernatural realm inhabited by spirits of deceased people. 

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