CYTOKINE Scrabble 17 Words With Friends 18 Scrabble letter values: C3Y4T1O1K5I1N1E1 = 17 Definition noun any of various protein molecules secreted by cells of the immune system that serve to regulate the immune system. See all 114 words you can make from CYTOKINE → 8-letter words Words starting with C Words ending with E ← Unscramble different letters