Answer:

hex

Answer	Crossword Clue
HEX	Do voodoo
HEX	Whammy
HEX	Bad spell

HEX	Put a spell on
HEX	Magic spell
HEX	Numbering system used in programming
HEX	16-digit numbering system, for short
HEX	Bewitch
HEX	Put the whammy on
HEX	Base 16, briefly
HEX	Evil spell

HEX	Spell
HEX	Kind of nut or bolt
HEX	Bad thing to put on
HEX	Evil eye
HEX	Give the evil eye
HEX	Witch's specialty
HEX	Curse
HEX	Some kind of a nut

HEX	Charm
HEX	Use black magic on
HEX	Sorcerer's spell
HEX	Jinx
HEX	Witch's spell
HEX	Spell it out for someone?
HEX	Place under a spell
HEX	DC Comics cowboy Jonah

HEX	Curse; spell
HEX	Put a curse on
HEX	16-symbol system, for short
HEX	Hoodoo
HEX	Like some bolts
HEX	Cast a spell on
HEX	Place a curse on
HEX	Enchant

HEX	Bad bestowal
HEX	Base 16, for short
HEX	Base in which 14,600,926 is DECADE
HEX	Alternative to octal
HEX	One more than pent-