8 letters · 10 points in Scrabble
noun an amino acid that does not occur in proteins but is found in the muscle tissue of vertebrates both in the free form and as phosphocreatine; supplies energy for muscle contraction
originFrom Ancient Greek κρέας (kréas, “meat”) (genitive κρέατος (kréatos)) + -ine. Not related to create.
Etymology from Wiktionary, CC BY-SA 3.0