Related Clues:

• Christianity, e.g.: Abbr.
• Akin: abbr.
• Sister's study: Abbr.
• Islam, e.g.: Abbr.
• Close kin, slangily
• Islam, for one: Abbr.
• Bible study: Abbr.
• Sermon subj.
• Buddhism, e.g.: Abbr.
• 120-Down, for one
• Confed. monogram
• Kin (Abbr.)
• Household rival, often
• Bro or sis, e.g.
• Denom.