/ Thesaurus / C Synonyms of creatine phosphoric acid Find synonyms for: Noun1. phosphocreatine, creatine phosphate, creatine phosphoric acid, organic compoundusage: an organic compound of creatine and phosphoric acid; found in the muscles of vertebrates where its hydrolysis releases energy for muscular contractionWordNet 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