/ Thesaurus / L Synonyms of letter paper Find synonyms for: Noun1. letter paper, writing paperusage: writing paper for use in writing correspondence2. stationery, letter paper, writing paperusage: paper cut to an appropriate size for writing letters; usually with matching envelopesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language