Janus, acosmism, allotheism, ambiguity, ambivalence, anthropolatry, anthropomorphism, anthropotheism, autotheism, biformity, bifurcation, conjugation, cosmotheism, deism, dichotomy, ditheism, doubleness, doublethink, doubling, duality, duplexity, duplication, duplicity, dyotheism, equivocality, halving, henotheism, hylotheism, irony, monolatry, monotheism, multitheism, myriotheism, pairing, pantheism, physicomorphism, physitheism, pluralism, polarity, polytheism, psychotheism, tetratheism, theism, theopantism, theriotheism, tritheism, twinning, two-facedness, twoness, zootheism