/ Thesaurus / G Synonyms of genus spiraea Find synonyms for: Noun1. Spiraea, genus Spiraea, rosid dicot genususage: a dicotyledonous genus of the family RosaceaeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fortuitous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language