congregationalism: system of beliefs and church government of a Protestant denomination in which each member church is self-governing
protestantism: the theological system of any of the churches of western Christendom that separated from the Roman Catholic Church during the Reformation
ergotism: poisoning by ingestion of ergot-infected grain products; characterized by thirst and diarrhea and nausea and cramping and vomiting and abnormal cardiac rhythms; in severe cases it can cause seizures and gangrene of the limbs