/ Thesaurus / I Synonyms of internal iliac vein Find synonyms for: Noun1. hypogastric vein, internal iliac vein, iliac vein, vena iliacausage: a vein that unites with the external iliac vein to form the common iliac veinWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language