/ Thesaurus / L Synonyms of leaf book Find synonyms for: Noun1. codex, leaf-book, manuscript, holographusage: an unbound manuscript of some ancient classic (as distinguished from a scroll)WordNet 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