Duodenary and Twelfth

Twelfth and duodenary are semantically related in having twelve of something topic. In some cases you can use "Twelfth" instead an adjective "Duodenary".

Twelfth adjective - Coming next after the eleventh and just before the thirteenth in position.

Duodenary and twelfth are semantically related in having twelve of something topic. You can use "Duodenary" instead an adjective "Twelfth".