/ Thesaurus / F Synonyms of ferdinand i Find synonyms for: Noun1. Ferdinand Iusage: Holy Roman Emperor and king of Hungary and Bohemia (1503-1564)2. Ferdinand I, Ferdinand the Greatusage: king of Castile and Leon who achieved control of the Moorish kings of Saragossa and Seville and Toledo (1016-1065)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language