SUPEREROGATION /ˌs(j)uːpəɹɛɹəˈɡeɪʃ(ə)n/ ► audio Scrabble 17 Words With Friends 21 Scrabble letter values: S1U1P3E1R1E1R1O1G2A1T1I1O1N1 = 17 Definition noun an effort above and beyond the call of duty. See all 3022 words you can make from SUPEREROGATION → 14-letter words Words starting with S Words ending with N ← Unscramble different letters