Evil Spell is a term used to describe a magical spell or incantation that is intended to cause harm or misfortune. HEX is a three-letter word used to describe a type of evil spell, while CURSE and JINX are five- and four-letter words respectively, also used to describe evil spells. Hexes, Curses, and Jinxes are all forms of black magic, and are believed to be able to bring about bad luck, illness, or even death.