Possible Clues:

• Roman gods
• Opus ___ ('The Da Vinci Code' group)
• Its middle letter stands for "equity"
• 'Ad majorem ___ gloriam' (Jesuit motto)
• __ gratia: by the grace of God
• Opus __: 'The Da Vinci Code' sect
• Latin gods
• ''Agnus ___''
• Of God, in Latin
• "Agnus __"