Como dizer "nomes das religiões" em inglês

Como se traduz algumas das principais religiões em inglês:

1. Catholicism: Catolicismo
2. Spiritism: Espiritismo
3. Protestantism: Protestantismo

1. Catholicism: the faith, system, and practice of the Catholic Church, esp. The Roman Catholic Church.(Dictionary.com)
2. Spiritism: is based on the five books of the Spiritist Codification written by French educator Hypolite Léon Denizard Rivail under the pseudonym Allan Kardec.(Wikipedia)
3. Protestantism: is one of the four major divisions within Christianity (or five, if Anglicanism is considered separately) together with the Eastern Orthodox Church, the Oriental Orthodox Churches, and the Roman Catholic Church. The term is most closely tied to those groups that separated from the Roman Catholic Church in the sixteenth-century Protestant Reformation.(Wikipedia)

Bons estudos!