During the early Christian era, before the Great Schism, the Roman Catholic Church and the Greek Orthodox Church did not exist as separate entities - there was only a Church that is now called the Catholic-Orthodox Church. Nevertheless, there were differences between the two sections of the one Church:
Orthodox do not accept:
Leadership of the pope
Papal infallibility
'filioque' which is part of the Nicene Creed. Catholics say, in regards to the Holy Spirit 'who proceeds from the Father and the Son. They say 'who proceeds from the Father.'
the Eastern Orthodox Church
Roman Catholic AnswerThe Catholic Church is sometimes known as the Western Church to distinguish it from the Eastern Orthodox Church.
the Eastern Orthodox Church and the Roman Catholic Church
Like the Catholic Church, the Orthodox believe in Apostolic Succession.
Christian, Denomination: Orthodox Catholic, he's from Ukraine, the majority are Catholic there or Russian Orthodox which is a part of the Catholic Church.
There is an Orthodox Church and a Catholic Church. There is no Catholic Orthodox Church.
The Roman Catholic Church and the Eastern Orthodox Church.
No. When Prince Vladimir chose to become a Christian, he joined the Orthodox Church. His pagan subjects were therefore required to join the Orthodox Church.
The Greek Orthodox Church left the Catholic Church in the eleventh century.
The Catholic Church, the Anglican(Episcopalian) Church, Presbyterian Church, Orthodox Church, etc.
christian but not catholicANSWER 2Two religions have orthodox branches: Jewish Orthodox and Greek Orthodox Catholics (as compared with Roman Catholic).
Saint Sophia is not a religion, but rather a saint in the Orthodox Christian tradition. She is venerated in both the Eastern Orthodox Church and the Roman Catholic Church as a martyr.