(n.) The belief in demons or false gods.

Black Mass Druidism Parsiism Sabaism Satanism Zoroastrianism animal worship black magic chthonian worship demonography demonolatry demonology demonomancy demonomy demonry devil lore devil worship devilry diablerie diabolism diabology diabolology fetishism fire worship heathenism hero worship iconoduly iconolatry idol worship idolatrousness idolatry idolism idolodulia idolomancy image worship paganism phallic worship phallicism pyrolatry snake worship sorcery star worship sun worship the black art tree worship