/ Thesaurus / E Synonyms of earth ball Find synonyms for: Noun1. truffle, earthnut, earth-ball, fungususage: any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern EuropeNoun1. truffle, earthnut, earth-ball, fungususage: any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling trufflesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language