/ Thesaurus / R Synonyms of roccella tinctoria Find synonyms for: Noun1. roccella, Roccella tinctoria, lichenusage: a source of the dye archil and of litmusWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language