Papists
Term for Roman Catholics, whose religious leader is the Pope (adjective form, papal); often used in the past in a disparaging sense by anti-Catholics.
Deists
Term used in the 17th and 18th centuries for those who believe in a God as revealed in nature and understood through reason, rejecting beliefs based on supernatural revelation, i.e., through sacred texts such as the Bible.
Mahometans
Mohammedans or Muslims, followers of Islam.