/ Thesaurus / S Synonyms of suborder alcyonacea Find synonyms for: Noun1. Alcyonacea, suborder Alcyonacea, animal orderusage: comprising the soft coralsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language