/ Thesaurus / H Synonyms of holy roman emperor frederick ii Find synonyms for: Noun1. Frederick II, Holy Roman Emperor Frederick IIusage: the Holy Roman Emperor who led the Sixth Crusade and crowned himself king of Jerusalem (1194-1250)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language