/ Thesaurus / S Synonyms of synaptomys cooperi Find synonyms for: Noun1. southern bog lemming, Synaptomys cooperi, lemmingusage: of low bogs and meadows of northeastern and central United States and southern CanadaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language