1. Synonyms for Controversially include contentiously, debatably, disputably, disputedly, disputatiously, arguably, controvertibly, delicately, difficultly and

2. Synonyms for Arguably include possibly, potentially, conceivably, debatably, feasibly, plausibly, maybe, probably, defensibly and perhaps

3. Arguably adverb possibly, potentially, conceivably, plausibly, feasibly, questionably, debatably, deniably, disputably, contestably, controvertibly, dubitably, refutably They are Arguably …

4. Archduke (feminine: Archduchess; German: Erzherzog, feminine form: Erzherzogin) was the title borne from 1358 by the Habsburg rulers of the Archduchy of Austria, and later by all senior members of that dynasty.It denotes a rank within the former Holy Roman Empire (962–1806), which was below that of Emperor and King but above that of a Grand Duke (debatably), Prince and Duke.