As nouns the difference between warlock and warluck
is that warlock is the male equivalent of witch while warluck is obsolete form of warlock.
warlock
English
Noun
(
en noun)
The male equivalent of witch.
(obsolete) A traitor or oath-breaker.
(obsolete) The Devil, Satan; a demon.
(originally Scotland and Northern UK ) A man in league with the Devil; a male magic-user, a wizard.