Modifiers matching prayer:

• important,
• ordinary,
• formal,
• individual,
• traditional,
• special,
• christian,
• public,
• healing,
• contemplative,
• written,
• natural,
• private,
• devotional,
• familiar,

Simple categories matching devotional:

• practice,
• pursuit,
• activity,
• thing,
• object,
• article,
• booklet,
• works,
• prayer,
• manuscript,
• book,
• help,
• behavior,