/ Thesaurus / C Synonyms of common rush Find synonyms for: Noun1. bulrush, bullrush, common rush, soft rush, Juncus effusus, rushusage: tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North AmericaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language