/ Thesaurus / F Synonyms of filaggrin Find synonyms for: Noun1. filaggrin, proteinusage: the main protein of the keratohyalin granules; "the specific target of the immune response in rheumatoid arthritis is filaggrin"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language