dwaalleer

(masculine, no-diminutive) a heresy, unorthodox opinion condemned by the religious establishment
(broadly, masculine, no-diminutive) any other heterodox opinion

bid’a

heresie

αίρεση

heterodoks

هَرْطَقَة

Andersgläubigkeit

Compound of dwalen (“to wander, err, diverge”) + leer (“doctrine, teaching”).

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