Ditheism
Pronunciation : Di"the*ism
Part of Speech : n.
Etymology : [Pref. di- + theism: cf. F. dith?isme.]
Definition : Defn: The doctrine of those who maintain the existence of two gods or of two original principles (as in Manicheism), one good and one evil; dualism.
Source : Webster's Unabridged Dictionary, 1913