Answer: JASS

AnswerCrossword Clue
JASSSwiss game, probable source of pinochle.
JASSSwiss card game, pinochle's predecessor.
JASSSwiss card game
JASSTwo-handed game
JASSCard game for two
JASSTwo-handed card game
JASSHugh ... (classic joke name)
jassthe jack of trumps in klaberjass
jassjazz, a musical form with syncopated rhythms
jasscard game for two persons that is played with a 36-card pack made by removing all cards below the sixes from a regular 52-card pack, in which point values are assigned to certain melds and to certain cards taken in tricks