/ Thesaurus / N Synonyms of nephthys Find synonyms for: Noun1. Nephthysusage: Egyptian goddess associated with ritual of the dead; sister of Geb and Nut; wife of SetWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language