/ Thesaurus / F Synonyms of frederick william ii Find synonyms for: Noun1. Frederick William IIusage: king of Prussia who became involved in a costly war with France (1744-1797)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language