/ Thesaurus / C Synonyms of common iliac vein Find synonyms for: Noun1. common iliac vein, iliac vein, vena iliacausage: formed by the internal and external iliac veins; unites with its fellow from the opposite side of the body to form the inferior vena cavaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language