CYSTEINE Scrabble 13 Words With Friends 14 Scrabble letter values: C3Y4S1T1E1I1N1E1 = 13 Definition noun an amino acid containing sulfur that is found in most proteins. Examples “oxidizes on exposure to air to form cystine” See all 129 words you can make from CYSTEINE → 8-letter words Words starting with C Words ending with E ← Unscramble different letters