We don't have synonyms for Manichaeanism yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are manicheanism, manichaeism and manichaeans.
(n) :
Alternative spelling of Manichaeism. [(religion) A syncretic, dualistic religion that combines elements of Zoroastrian, Christian, and Gnostic thought, founded by the Iranian prophet Mani in the 3rd century AD.]
(n) :
Alternative spelling of Manichaeism. [(religion) A syncretic, dualistic religion that combines elements of Zoroastrian, Christian, and Gnostic thought, founded by the Iranian prophet Mani in the 3rd century AD.]