confidante vs other side

confidante

noun
  • A female confidant. 

  • A type of settee having a seat at each end at right angles to the main seats. 

other side

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

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

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