/ Thesaurus / F Synonyms of family cordaitaceae Find synonyms for: Noun1. Cordaitaceae, family Cordaitaceae, gymnosperm familyusage: chiefly Paleozoic plants; Cordaites is the chief and typical genusWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language