The term 'bring bad luck' can be expressed in four different ways: JINX (4 letters), HOODOO (6 letters), HEX (3 letters), and CURSE (5 letters). A JINX is a superstition that states that speaking a certain word or phrase will bring bad luck. HOODOO is a type of folk magic that is believed to bring bad luck. A HEX is a magical spell that is used to bring bad luck to someone. Finally, a CURSE is a wish for bad luck to befall someone.