DUCAL is a playable word

ducal Scrabble® Dictionary

adjective
pertaining to a duke (a high-ranking nobleman)
(adverb) ducally
17 Playable Words can be made from "DUCAL"
   2-Letter Words (4 found)
   3-Letter Words (6 found)
   4-Letter Words (5 found)
   5-Letter Words (2 found)