MELATONIN /ˌmɛləˈtoʊnɪn/ Scrabble 11 Words With Friends 15 Scrabble letter values: M3E1L1A1T1O1N1I1N1 = 11 Definition noun hormone secreted by the pineal gland. See all 319 words you can make from MELATONIN → 9-letter words Words starting with M Words ending with N ← Unscramble different letters