/ Thesaurus / C Synonyms of common arrowhead Find synonyms for: Noun1. common arrowhead, Sagittaria, genus Sagittariausage: a weedWordNet 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