/ Thesaurus / P Synonyms of plains spadefoot Find synonyms for: Noun1. plains spadefoot, Scaphiopus bombifrons, spadefoot, spadefoot toadusage: this spadefoot toad lives in plains and hills and river bottoms in areas of low rainfall east of the Rocky MountainsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language