/ Thesaurus / C Synonyms of commercial letter of credit Find synonyms for: Noun1. commercial letter of credit, letter of creditusage: a letter of credit given to a business concern for commercial purposesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language