/ Thesaurus / G Synonyms of genus arachis Find synonyms for: Noun1. Arachis, genus Arachis, rosid dicot genususage: a genus of plants with pods that ripen underground (see peanut)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language