SEISMOLOGY /saɪzˈmɑlədʒi/ Scrabble 16 Words With Friends 18 Scrabble letter values: S1E1I1S1M3O1L1O1G2Y4 = 16 Definition noun the branch of geology that studies earthquakes. See all 257 words you can make from SEISMOLOGY → 10-letter words Words starting with S Words ending with Y ← Unscramble different letters