異宗[ishuu] different religion or sect
一宗[isshuu] sect
改宗[kaishuu] religious conversion
邪宗[jashuu] heresy
宗家[souke] head of family

宗教[shuukyou] religion
宗教団体[shuukyoudantai] religious group
宗教的独立性[shuukyoutekidokuritsusei] religious independence
宗教法人[shuukyouhoujin] religious organization