/ Thesaurus / S Synonyms of silvery spleenwort Find synonyms for: Noun1. silvery spleenwort, Deparia acrostichoides, Athyrium thelypteroides, fernusage: fern with elongate silvery outgrowths enclosing the developing spores2. silvery spleenwort, glade fern, narrow-leaved spleenwort, Athyrium pycnocarpon, Diplazium pycnocarpon, fernusage: North American fern with narrow fronds on yellowish leafstalksWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: torrid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language