high-low vs high/low

high-low

noun
  • A card game where a player has to guess if the next card will be higher or lower than the one shown. 

adj
  • Describing a game in which the high hand and the low hand win. 

  • Designating a blackjack card counting technique in which the lowest cards are worth +1 point and the highest cards -1 point, and the counter places higher bets against higher point totals. 

high/low

noun
  • A game where, instead of winner-takes-all, the highest hand splits the pot with the lowest hand. 

How often have the words high-low and high/low occurred in a corpus of books? (source: Google Ngram Viewer )