dualism (n.)

• ambiguity
• ambivalence
• anthropolatry
• anthropomorphism
• bifurcation
• conjugation
• deism
• dichotomy
• doublethink
• doubling
• duality
• duplication
• duplicity
• irony
• monolatry
• monotheism
• pairing
• pantheism
• pluralism
• polarity
• polytheism
• theism
• tritheism