A really fast thesaurus... with lots of synonyms.
We don't have synonyms for archducal yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are archduchy, archaical and archical.
We don't have any synonyms for archducal yet.
Think archducal belongs in the thesaurus? Recommend it and we'll take a look.