• duodenoal,
• suodenal,
• xuodenal,
• cuodenal,
• fuodenal,
• ruodenal,
• euodenal,
• dyodenal,
• dhodenal,
• duodennal,
• duodenel,
• duodenah,
• dodecan,
• duodenry,
• doudenary,
• duodenray,
• duoodenary,
• duodennary,
• duodenary,
• udodonal

The adjective form of the word "duodenal" is "duodenal".

The plural form of the word "duodenal" is "duodenals." However, it is important to note that "duodenal" is not typically used in a plural context, as it is an adjective that describes the duodenum, which is a single structure in the body.

The singular form of the word "duodenal" is "duodenum"