/ Thesaurus / P Synonyms of penicillin v potassium Find synonyms for: Noun1. penicillin V potassium, Ledercillin VK, penicillin V, phenoxymethyl penicillinusage: a form of penicillin V (trade name Ledercillin VK)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language