SEISMIC /ˈsaɪzmɪk/ Scrabble 11 Words With Friends 13 Scrabble letter values: S1E1I1S1M3I1C3 = 11 Definition adjective subject to or caused by an earthquake or earth vibration. — synonyms: seismal See all 38 words you can make from SEISMIC → 7-letter words Words starting with S Words ending with C ← Unscramble different letters