Related Clues:

• A curse - or a vow
• Vow or expletive
• A curse or a vow
• Swearword or solemn word
• Solemn or profane expression
• Profane or solemn expression
• Curse or solemn word
• 'With this ring . . . . . . . .'
• A vow or a curse
• Profane, or solemn, expression
• Commitment to tell the truth
• A curse or solemn declaration
• A curse - or a pledge
• 'Profane, or solemn expression (4)'
• Swearword or solemn promise