/ Thesaurus / R Synonyms of rana pipiens Find synonyms for: Noun1. leopard frog, spring frog, Rana pipiens, true frog, ranidusage: common North American green or brownish frog having white-edged dark oval spotsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language