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Use "ogdoad" in a sentence
"The Egyptian god Osiris was the Baal of the Phoenicians, the Marduk of the Babylonians, the Tammuz of the Semites, the Nimrod of the Bible, the Pangu of the ogdoad."
"In the beginning there was nothing in the universe except a formless chaos. like the ogdoad!"
"All united, these divinities of the ogdoad form the beginnings and are the fathers and mothers of all things."