denomination

US /dɪˌnɑː.məˈneɪ.ʃən/
UK /dɪˌnɑː.məˈneɪ.ʃən/
1.

giáo phái

a religious group that has slightly different beliefs from other groups that share the same religion:

:
Protestantism and Roman Catholicism are both denominations of the Christian faith.