• diaologue,
• diologue,
• dualogue,
• suologue,
• xuologue,
• cuologue,
• fuologue,
• ruologue,
• euologue,
• dyologue,
• dhologue,
• djologue,
• d8ologue,
• d7ologue,
• duilogue,
• duklogue,
• dullogue,
• duplogue,
• du0logue,
• du9logue

• dialogue,
• deluge,
• dulse,
• Dulce,
• Dulcie,
• dulles.

The adjective form of the word "duologue" is "duological".

The plural of the "duologue" can be the "duologues".

The singular of the "duologue" can be the "duologue".