/ Thesaurus / M Synonyms of mentha pulegium Find synonyms for: Noun1. pennyroyal, Mentha pulegium, mintusage: Eurasian perennial mint have small lilac-blue flowers and ovate leaves; yields an aromatic oilWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language