/ Thesaurus / C Synonyms of caddoan language Find synonyms for: Noun1. Caddo, Caddoan, Caddoan language, Amerind, Amerindian language, American-Indian language, American Indian, Indianusage: a family of North American Indian languages spoken widely in the Midwest by the CaddoWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language